Whether you're new to economics or just want to deepen your understanding, this course covers the basics and connects them to today’s pressing issues—from inequality to public policy decisions.
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You’ll find this course especially useful and unique because…"),el=vwo_$("[vwo-element-id='1742482566780']");})("[vwo-element-id='1742482566780']")}}, R_940895_48_1_2_1:{ fn:function(log,nonce=''){return (function(x) { if(!vwo_$.fn.vwoRevertHtml){ return; }; var el,ctx=vwo_$(x); /*vwo_debug log("Revert","editElement",".stylingblock-content-margin-cell > table:nth-of-type(1) > tbody:nth-of-type(1) > tr:nth-of-type(1) > td:nth-of-type(1) > div:nth-of-type(1) > div:nth-of-type(1) > h2:nth-of-type(1) > span:nth-of-type(1)"); vwo_debug*/(el=vwo_$(".stylingblock-content-margin-cell > table:nth-of-type(1) > tbody:nth-of-type(1) > tr:nth-of-type(1) > td:nth-of-type(1) > div:nth-of-type(1) > div:nth-of-type(1) > h2:nth-of-type(1) > span:nth-of-type(1)")).vwoRevertHtml();})(".stylingblock-content-margin-cell > table:nth-of-type(1) > tbody:nth-of-type(1) > tr:nth-of-type(1) > td:nth-of-type(1) > div:nth-of-type(1) > div:nth-of-type(1) > h2:nth-of-type(1) > span:nth-of-type(1)")}}, C_940895_39_1_2_0:{ fn:function(log,nonce=''){return (function(x) { try{ var _vwo_sel = vwo_$("`); !vwo_$("head").find('#1740425171461').length && vwo_$('head').append(_vwo_sel);}catch(e) {console.error(e)} try{}catch(e) {console.error(e)} try{const getCurrentDate = (d = new Date()) => d.toISOString().split('T')[0]; function vwoCustomEvent (labelValue) { window.VWO = window.VWO || []; VWO.event = VWO.event || function () {VWO.push(["event"].concat([].slice.call(arguments)))}; VWO.event("customEvent", { "label": labelValue.toString() }); } class RadioButtonComponent { constructor (element) { this.radio = element.querySelector('input[type="radio"]'); this.label = element.querySelector('label'); } get value () { let value = this.radio.value; if (Number.isNaN(parseFloat(value))) return value; if (parseFloat(value) % 1 == 0) return parseInt(value); return parseFloat(value); } set value (newValue) { this.radio.value = newValue; } get text () { return this.label.textContent; } set text (newText) { if (this.label.querySelector('.form-required')) { const labelTextNode = [...this.label.childNodes].filter(({ nodeType }) => nodeType === Node.TEXT_NODE)[0]; labelTextNode.nodeValue = newText; } else { this.label.textContent = newText; } } get checked () { return this.radio.checked; } set checked (bool) { this.click(), bool === true && this.radio.checked === true; } click () { this.label.click(); } select () { this.click(); } addEventListener (eventType, callbackFunction) { switch (eventType) { case 'click': this.label.addEventListener(eventType, callbackFunction); case 'change': default: this.radio.addEventListener(eventType, callbackFunction); } } } class TextFieldComponent { constructor (element) { this.input = element.querySelector('input[type="text"]'); this.label = element.querySelector('label'); } get value () { return this.input.value; } set value (newValue) { this.input.dispatchEvent(new Event('focus')); this.input.value = newValue; this.input.dispatchEvent(new Event('keyup')); this.input.dispatchEvent(new Event('change')); this.input.dispatchEvent(new Event('blur')); } get text () { return this.input.placeholder; } set text (newText) { this.input.placeholder = newText; } addEventListener (eventType, callbackFunction) { this.input.addEventListener(eventType, callbackFunction); } } class GiftArrayButton extends RadioButtonComponent { constructor (element) { super(element); } get amount () { return this.value; } set amount (newAmount) { if (Number.isNaN(parseInt(newAmount)) || parseInt(newAmount) <= 0) throw new Error("New amount must be a valid number greater than 0."); newAmount = parseInt(newAmount); this.text = '$' + newAmount; this.value = newAmount; } } class GiftArrayOtherAmount extends TextFieldComponent { constructor (element) { super(element); } get amount () { return parseFloat(this.value); } set amount (newAmount) { if (Number.isNaN(parseInt(newAmount)) || parseInt(newAmount) <= 0) throw new Error("New amount must be a valid number greater than 0."); newAmount = parseFloat(newAmount); this.value = newAmount; this.input.dispatchEvent(new Event('updateSummary')); } } class GiftArray extends Array { constructor (items) { if (!Array.isArray(items) && items.length === 0) { throw new Error("GiftArray: Arugment 1 is not an instance of Array with a length greater than 0:" + items.join(', ')); } if (items.every((item) => item instanceof GiftArrayButton || item instanceof GiftArrayOtherAmount)) { if (items.find((item) => item instanceof GiftArrayOtherAmount)) { let temp = items.find((item) => item instanceof GiftArrayOtherAmount); items = items.filter((item) => item instanceof GiftArrayButton); items.push(temp); } } else if (items.every((item) => item instanceof HTMLElement)) { items = items.map((item) => item.matches(".webform-component-textfield") ? new GiftArrayOtherAmount(item) : new GiftArrayButton(item)); } else { throw new Error("GiftArray: Arugment 1 is not of type HTMLElement, HTMLElement[], or GiftArrayButton|GiftArrayButton[]:" + items.join(', ')); } super(...items); this.Buttons = items.filter((item) => item instanceof GiftArrayButton); this.OtherAmountInput = items.find((item) => item instanceof GiftArrayOtherAmount); } get amount () { const activeButton = this.Buttons.find((item) => item.checked); if (activeButton.value === "other") { const otherButton = activeButton; if (!otherButton) { throw new Error("GiftArray.amount: Other Button was not defined."); } otherButton.click(); return this.OtherAmountInput.value; } else { return activeButton.value; } } set amount (newAmount) { if (Number.isNaN(parseInt(newAmount)) || parseInt(newAmount) <= 0) throw new Error("New amount must be a valid number greater than 0."); newAmount = parseFloat(newAmount); const matchingButton = this.find((item) => item.value === newAmount); if (matchingButton) { matchingButton.click(); } else { const otherButton = this.Buttons.find((item) => item.value === "other"); otherButton.click(); this.OtherAmountInput.amount = newAmount; } } addEventListeners (eventType, callbackFunction, filter = undefined) { if (filter && typeof filter === 'function') { const filteredItems = this.filter((item) => filter.call(this, item)); filteredItems.forEach((item) => item.addEventListener(eventType, callbackFunction)); } else if (filter && typeof filter === 'string') { if (filter.match(/buttons/gmi)) this.Buttons.forEach((item) => item.addEventListener(eventType, callbackFunction)); if (filter.match(/other/gmi)) this.OtherAmountInput.addEventListener(eventType, callbackFunction); } else { this.forEach((item) => item.addEventListener(eventType, callbackFunction)); } } } class FrequencyButton extends RadioButtonComponent { constructor (element) { super(element); } get frequency () { return this.text.match(/Monthly/gmi) ? "Monthly" : "One-Time"; } set freqency (newAmount) { if (Number.isNaN(parseInt(newAmount)) || parseInt(newAmount) <= 0) throw new Error("New amount must be a valid number greater than 0."); newAmount = parseInt(newAmount); this.text = '$' + newAmount; this.value = newAmount; } } class FrequencyArray extends Array { constructor (items) { if (!Array.isArray(items) && items.length === 0) { throw new Error("FrequencyArray: Arugment 1 is not an instance of Array with a length greater than 0:" + items.join(', ')); } /*if (items.every((item) => item instanceof GiftArrayButton || item instanceof GiftArrayOtherAmount)) { if (items.find((item) => item instanceof GiftArrayOtherAmount)) { let temp = items.find((item) => item instanceof GiftArrayOtherAmount); items = items.filter((item) => item instanceof GiftArrayButton); items.push(temp); } } else*/ if (items.every((item) => item instanceof HTMLElement)) { items = items.map((item) => item.matches(".webform-component-textfield") ? new GiftArrayOtherAmount(item) : new GiftArrayButton(item)); } else { throw new Error("FrequencyArray: Arugment 1 is not of type HTMLElement or HTMLElement[]:" + items.join(', ')); } super(...items); this.Buttons = items.filter((item) => item instanceof GiftArrayButton); } get frequency () { const activeButton = this.Buttons.find((item) => item.checked); if (activeButton.value === "recurs") return "monthly"; if (activeButton.value === "NO_RECURR") return "one-time"; return activeButton.value; } set frequency (newFrequency) { const reNewFrequencyValue = new RegExp(newFrequency, 'gmi'); const matchingButton = this.find((item) => item.value.match(reNewFrequencyValue) || item.text.match(reNewFrequencyValue)); matchingButton.click(); } get recurring () { return this.frequency === "monthly" ? true : false; } set recurring (bool) { this.frequency = bool === true ? "monthly" : "one-time"; } addEventListeners (eventType, callbackFunction, filter = undefined) { if (filter && typeof filter === 'function') { const filteredItems = this.filter((item) => filter.call(this, item)); filteredItems.forEach((item) => item.addEventListener(eventType, callbackFunction)); } else if (filter && typeof filter === 'string') { if (filter.match(/buttons/gmi)) this.Buttons.forEach((item) => item.addEventListener(eventType, callbackFunction)); if (filter.match(/other/gmi)) this.OtherAmountInput.addEventListener(eventType, callbackFunction); } else { this.forEach((item) => item.addEventListener(eventType, callbackFunction)); } } } // const lockedProperty = { writable: false, configurable: false, enumerable: true }; function DonationFormAPI (elements, options = {}) { const defaultOptions = { min: 1.00, max: 999999.99, makeTabbed: false, fakeSubmit: true, overrideGiftArrayValues: false, }; options = { ...defaultOptions, ...options }; // const { frequencyRadios, submitButton, root } = elements; const [ amountRadiosOnetime, amountRadiosMonthly ] = elements.amountRadios; const oneTimeOtherAmountWrapper = amountRadiosOnetime.find((div) => !div.matches('.webform-component-textfield') || div.querySelector('input[type="text"]')); const oneTimeRadioButtons = amountRadiosOnetime.filter((div) => div !== oneTimeOtherAmountWrapper); const monthlyOtherAmountWrapper = amountRadiosMonthly.find((div) => !div.matches('.webform-component-textfield') || div.querySelector('input[type="text"]')); const monthlyRadioButtons = amountRadiosMonthly.filter((div) => div !== monthlyOtherAmountWrapper); const debug = { log: (...args) => window.NA.DonationForm.DEBUG_MODE && console.log(...args), info: (...args) => window.NA.DonationForm.DEBUG_MODE && console.log(...args), warn: (...args) => window.NA.DonationForm.DEBUG_MODE && console.log(...args), error: (...args) => window.NA.DonationForm.DEBUG_MODE && console.log(...args), }; // const api = new Object(); Object.defineProperty(api, 'root', { value: root, writable: false, configurable: true, enumerable: true, }); Object.defineProperties(api, { 'FORM_MINIMUM': { value: options.min || 0, ...lockedProperty }, 'FORM_MAXIMUM': { value: options.max || Infinity, ...lockedProperty }, }); Object.defineProperties(api, { GiftArrays: { value: { "one-time": new GiftArray([ ...oneTimeRadioButtons, oneTimeOtherAmountWrapper ]), "monthly": new GiftArray([ ...monthlyRadioButtons, monthlyOtherAmountWrapper ]), }, writable: false, configurable: true, enumerable: true, }, Frequencies: { value: new FrequencyArray(frequencyRadios), writable: false, configurable: true, enumerable: true, }, SubmitButton: { value: submitButton, writable: false, configurable: false, enumerable: true, } }); Object.defineProperties(api, { 'getFrequency': { value: async function () { if (!this || this === null) throw new Error("validate: Unable to read API context."); return new Promise((resolve, reject) => { try { resolve(this.Frequencies.frequency); } catch (error) { reject(error); } }); }, ...lockedProperty }, 'setFrequency': { value: async function (frequency) { if (!this || this === null) throw new Error("validate: Unable to read API context."); return new Promise(async (resolve, reject) => { try { this.Frequencies.frequency = frequency; if (await this.getFrequency() === frequency) resolve(frequency); } catch (error) { reject(error); } }); }, ...lockedProperty }, 'getAmount': { value: async function (frequency = undefined) { if (!this || this === null) throw new Error("validate: Unable to read API context."); return new Promise(async (resolve, reject) => { try { frequency = frequency || await this.getFrequency(); if (frequency && this.GiftArrays.hasOwnProperty(frequency)) { const activeGiftArray = this.GiftArrays[frequency]; resolve(activeGiftArray.amount); } else { throw new Error("getAmount: Invalid frequency: " + frequency); } } catch (error) { reject(error); } }); }, ...lockedProperty }, 'setAmount': { value: async function (amount, frequency = undefined) { if (!this || this === null) throw new Error("validate: Unable to read API context."); return new Promise(async (resolve, reject) => { try { const currentFrequency = await this.getFrequency(); if (!frequency) { frequency = currentFrequency; } else if (frequency !== currentFrequency) { frequency = await this.setFrequency(frequency); } if (frequency && this.GiftArrays.hasOwnProperty(frequency)) { const activeGiftArray = this.GiftArrays[frequency]; activeGiftArray.amount = amount; } else { throw new Error("setAmount: Invalid frequency: " + frequency); } if (await this.getAmount() === amount) resolve(amount); } catch (error) { reject(error); } }); }, ...lockedProperty }, 'getRecurring': { value: async function () { if (!this || this === null) throw new Error("validate: Unable to read API context."); return new Promise((resolve, reject) => { try { resolve(this.Frequencies.recurring); } catch (error) { reject(error); } }); }, ...lockedProperty }, 'setRecurring': { value: async function (bool) { if (!this || this === null) throw new Error("validate: Unable to read API context."); return new Promise(async (resolve, reject) => { try { this.Frequencies.frequency = bool ? true : false; if (await this.getRecurring() === bool) resolve(bool); } catch (error) { reject(error); } }); }, ...lockedProperty }, freqency: { get () { return this.getFrequency() }, set (value) { this.setFrequency(value) }, enumerable: true, configurable: true, }, amount: { get () { return this.getAmount() }, set (value) { this.setAmount(value) }, enumerable: true, configurable: true, }, recurring: { get () { return this.getRecurring() }, set (value) { this.setRecurring(value) }, enumerable: true, configurable: true, }, }); Object.defineProperties(api, { 'submit': { value: async function (condition = this.validate||function(){return true}) { //this.hooks['onBeforeSubmit'].forEach((callback) => callback.call(this)); let result; const isAsyncFunction = (func) => func.constructor.name === "AsyncFunction"; if (Array.isArray(condition)) { if (condition.every((c) => typeof c === 'function' && isAsyncFunction(c))) { result = await Promise.all(condition.map(async (c) => await c.call(this))); } else if (condition.every((c) => typeof c === 'function')) { result = condition.every((c) => c.call(this)); } else if (condition.every((c) => c === true || c === false)) { result = condition.every((c) => c); } } else if (typeof condition === 'function' && isAsyncFunction(condition)) { result = await condition.call(this); } else if (typeof condition === 'function') { result = condition.call(this); } else if (condition === true || condition === false) { result = condition; } else { console.error("Unknown error."); debugger; } // if (result === true) { if (window.NA.DonationForm.hasOwnProperty("DEBUG_MODE") && window.NA.DonationForm["DEBUG_MODE"] == true) return console.log("Submit aborted (debug mode is enabled)."); this.SubmitButton.click(), this.hooks['onSubmit'].forEach((callback) => callback.call(this)); //this.hooks['onAfterSubmit'].forEach((callback) => callback.call(this)); } else { return console.log("Submit failed (conditions did not evaluate to true)."); } }, ...lockedProperty }, 'interceptSubmit': { value: function (handleInterceptedSubmit = () => { return new Promise((resolve) => resolve(undefined)) }) { try { window.NA.DonationForm.SubmitButtonCopy = window.NA.DonationForm.SubmitButtonCopy || createNewSubmitButton(window.NA.DonationForm.SubmitButton, { cloneOriginal: false, hideOriginal: true, observeOriginal: false }); window.NA.DonationForm.SubmitButtonCopy.addEventListener('click', async (event) => { event.preventDefault(), event.stopPropagation(); const shouldFormSubmit = await handleInterceptedSubmit.call(this, event); if (shouldFormSubmit) { console.info("Submit allowed by initial interceptSubmit callback function resulting in a truthy evaluation."); const formIsValid = await window.NA.DonationForm.validate(); if (!formIsValid) { // if submit allowed but there are known errors in the form console.warn("Form has known errors. Attempting to submit to show errors then retrying."); console.log("Submitting..."); window.NA.DonationForm.submit(true); // submit anyway to trigger the error to be shown window.NA.DonationForm.SubmitButton.style.setProperty("display", "none"), debug.info("SubmitButton hidden."), // hide the original submit button again window.NA.DonationForm.SubmitButtonCopy.style.setProperty("display", "none"), debug.info("SubmitButtonCopy hidden."); // hide the copy of the submit button again window.NA.DonationForm.SubmitButtonCopy.style.removeProperty("display"), debug.info("SubmitButtonCopy unhidden."); // show the copy of the submit button } else { console.log("Submitting..."); window.NA.DonationForm.submit(true); } } else { console.log("Submit prevented."); console.info("Next submit will be allowed."); window.NA.DonationForm.SubmitButton.style.removeProperty("display"), debug.info("SubmitButton unhidden."); // show the original submit button so that if something goes wrong the user can still click the submit button window.NA.DonationForm.SubmitButtonCopy.style.setProperty("display", "none"), debug.info("SubmitButtonCopy hidden."); // hide the copy of the submit button that intercepts submit attempts so that there aren't two buttons } }); console.log("Submit intercept added.\nButton:", window.NA.DonationForm.SubmitButtonCopy); } catch (error) { console.error("Failed to add submit intercept:", error); } }, ...lockedProperty }, 'validate': { value: async function (root = undefined) { if (!this || this === null) throw new Error("validate: Unable to read API context."); root = root || this.root; const flattenArray = (array) => array.reduce((flat, toFlatten) => flat.concat(Array.isArray(toFlatten) ? flattenArray(toFlatten) : toFlatten), []); try { const freqency = await this.getFrequency(), amount = await this.getAmount(); if (!freqency || !amount) return false; if (amount < this.FORM_MINIMUM || amount > this.FORM_MAXIMUM) return console.error("validate:", "Gift amount is invalid:", amount), false; let requiredFields = Array.from(root.querySelectorAll('label:has(.form-required)')) .map((label) => document.getElementById(label.htmlFor) || (label.nextElementSibling || label.previousElementSibling)) .filter((_) => !!_) // remove blanks .filter((field) => { if (field.name && field.name.includes('[payment_information]')) return false; return true; }) .map((field) => { if (field.matches("div")) return [...field.querySelectorAll('input')]; return field; }) requiredFields = flattenArray(requiredFields); const valid = requiredFields.every((input) => { const type = input.tagName.toLowerCase() === 'select' ? 'select' : input.type; const { name, value, id } = input; //console.log(type, name, value); if (name === 'submitted[payment_information][payment_fields][credit][card_number]') { if (value && value.length === 16) return true; return console.error("validate:", name+':', "CC is invalid."), false; } if (name === 'submitted[leadership_circle]') return true; if (name === 'submitted[donation][other_amount]' || name === 'submitted[donation][recurring_other_amount]') if (amount) return true; switch (type) { case 'email': const emailRegex = /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/; if (!emailRegex.test(value)) return console.error("validate:", name+':', "Email address is invalid.\n", input, value), false; return true; case 'tel': if (!value || value.length < 10) return console.error("validate:", name+':', "Phone number is invalid.\n", input, value), false; return true; case 'select': case 'radio': case 'text': if (!value || value.length === 0) return console.error("validate:", name+':', "Field is invalid.\n", input, value), false; return true; default: debug.log("default"); return true; } /*if (!value || value.length === 0) return false;*/ }); return valid; } catch (error) { console.error(error); return false; } }, ...lockedProperty }, //'makeTabbed': { value: function(){} }, 'DonationInterrupter': { value: { init: initDonationInterrupter.bind(api) }, enumerable: true, configurable: true, writable: true, } }); initHooks(api, ['onFrequencyChange', 'onAmountChange', 'onTrySubmit', 'onSubmit']); api.Frequencies.addEventListeners('change', (event) => { if (event.target.checked) { api.hooks['onFrequencyChange'].forEach((callback) => { callback.call(api, event.target.value); }); } }); Object.entries(api.GiftArrays).forEach(([ key, GiftArray ]) => { GiftArray.addEventListeners('change', (event) => { if (event.target.checked) { api.hooks['onAmountChange'].forEach((callback) => { callback.call(api, event.target.value); }); } }); }); api.SubmitButton.addEventListener('click', (event) => { api.hooks['onTrySubmit'].forEach((callback) => callback.call(api, event)); }); api.root.addEventListener('submit', (event) => { api.hooks['onSubmit'].forEach((callback) => callback.call(api, event)); }); if (options.makeTabbed) api.makeTabbed(); /*if (options.fakeSubmit) window.NA.DonationForm.SubmitButtonCopy = window.NA.DonationForm.SubmitButtonCopy || createNewSubmitButton(window.NA.DonationForm.SubmitButton, { cloneOriginal: false, hideOriginal: true, observeOriginal: false });*/ return api; } function createNewSubmitButton (originalSubmitButton = window.NA.DonationForm.SubmitButton, options = {}) { const defaultOptions = { cloneOriginal: true, hideOriginal: true, observeOriginal: true, }; options = { ...defaultOptions, ...options }; const newSubmitButton = document.createElement('button'); //newSubmitButton.id = "submit-button-copy"; newSubmitButton.classList.add("btn"); newSubmitButton.textContent = originalSubmitButton.value; originalSubmitButton.after(newSubmitButton); options.hideOriginal && originalSubmitButton.style.setProperty("display", "none"); return newSubmitButton; } function initHooks (api, hookNames = []) { const hooks = Object.fromEntries(hookNames.map((hookName) => ([hookName, new Array()]))); Object.defineProperty(api, 'hooks', { value: hooks, ...lockedProperty }); } function initDonationInterrupter (options = {}) { const getExpId = () => { let experiments = window._vwo_exp; experiments = Object.entries(window._vwo_exp); let id = experiments.find(([id, data]) => { const name = data.name; return name.match(/Donation Interrupter/); })[1]?.id; return id; }; const getExpVariation = (id) => { let experiment = window._vwo_exp[id]; return experiment.combination_chosen || experiment.combination_selected; }; const defaultOptions = { id: [ 'VWO', getExpId(), getExpVariation(getExpId()) ].join('-'), tokenName: ("NA__MPR_DonationInterrupter:" + [ 'VWO', getExpId(), getExpVariation(getExpId()) ].join('-')), min: 10, max: 100, askAmount: (originalAmount) => { if (originalAmount > 500) // $500+ return false; // don't show if (originalAmount >= 400) // $400-$500 return 50; if (originalAmount >= 300) // $300-$399 return 40; if (originalAmount >= 200) // $200-$299 return 30; if (originalAmount >= 100) // $100-$199 return 15; if (originalAmount < 100) // $100- return 10; return false; }, askFrequency: (originalFrequency) => { return "monthly"; }, popupHTML: { headingHTML: (`
Lorem ipsum dolor sit amet
Consectetur adipiscing elit. Sed nec egestas turpis, hendrerit semper nisl. Pellentesque auctor ipsum at pharetra eleifend. Pellentesque a rhoncus turpis, ut tempus nibh. Donec vel dui hendrerit nisi imperdiet tincidunt. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos.
Duis efficitur dolor ut nisl blandit imperdiet. Nullam pretium est nunc, tincidunt viverra ligula dapibus. Duis malesuada:
- dui eu venenatis volutpat
- urna libero posuere lectus
- non tincidunt mauris ligula consectetur felis
- lacinia hendrerit enim at molestie
Sed placerat fringilla consequat. Nullam eu pellentesque sem?
${options.popupHTML.headingHTML}
${options.popupHTML.bodyHTML}
`;
document.body.appendChild(dialogElement);
//
//
const api = new Object({
askAmount: options.askAmount,
askFrequency: options.askFrequency,
});
Object.defineProperties(api, {
id: {
value: options.id,
writable: false, enumerable: true, configurable: false,
},
tokenName: {
value: options.tokenName,
writable: false, enumerable: true, configurable: false,
},
Dialog: {
value: dialogElement,
writable: false, enumerable: true, configurable: true,
},
show: {
value: function () {
this.update(),
this.Dialog.showModal(),
vwoCustomEvent(`${this.id}:shown`);
this.storedState.updateTokenProperty("lastShown", getCurrentDate());
this.hooks['onShow'].forEach((callback) => callback.call(this));
}, ...lockedProperty
},
hide: {
value: function () {
this.Dialog.close(),
this.hooks['onHide'].forEach((callback) => callback.call(this));
}, ...lockedProperty
},
update: {
value: function () {
this.Dialog.dispatchEvent(new CustomEvent('update'), { bubbles: false });
}, ...lockedProperty
}
});
Object.defineProperty(api, 'storedState', {
value: {
storageApi: localStorage,
getToken: (function () {
const tokenName = this.tokenName,
storageApi = this.storedState.storageApi;
return JSON.parse(storageApi.getItem(tokenName)) || null;
}).bind(api),
setToken: (function (tokenValue) {
const tokenName = this.tokenName,
storageApi = this.storedState.storageApi;
return storageApi.setItem(tokenName, JSON.stringify(tokenValue));
}).bind(api),
updateTokenProperty: (function (tokenPropertyName, tokenPropertyValue) {
let state = this.storedState.getToken() || {};
state[tokenPropertyName] = tokenPropertyValue;
this.storedState.setToken(state);
return (this.storedState.getToken() || {})[tokenPropertyName] || undefined;
}).bind(api),
}
});
initHooks(api, ['onShow', 'onHide', 'onUpdate', 'onYes', 'onNo']);
function handleDialogUpdate (event) { // update dynamic text in the dialog
Array.from(this.Dialog.querySelectorAll('[data-value]')).forEach(async (el) => {
const attributeValue = el.getAttribute('data-value');
const currentAmount = await window.NA.DonationForm.getAmount(),
currentFrequency = await window.NA.DonationForm.getFrequency();
if (attributeValue.match("askAmount")) {
el.textContent = this.askAmount(currentAmount);
} else if (attributeValue.match("askFrequency")) {
el.textContent = this.askFrequency(currentFrequency);
} else if (attributeValue.match("originalAmount") || attributeValue.match("amount")) {
el.textContent = currentAmount;
} else if (attributeValue.match("originalFrequency") || attributeValue.match("frequency")) {
el.textContent = currentFrequency;
}
});
this.hooks['onUpdate'].forEach((callback) => callback.call(this));
}
api.Dialog.addEventListener('update', handleDialogUpdate.bind(api));
//
const handleYes = (async function () {
vwoCustomEvent(`${this.id}:DonationInterrupter:yes`);
const currentAmount = await window.NA.DonationForm.getAmount(),
currentFrequency = await window.NA.DonationForm.getFrequency();
const catchAsyncError = (error) => { console.error("An error occured:", error); debugger; this.hide(); };
window.NA.DonationForm.setFrequency(this.askFrequency(currentFrequency)).then((frequency) => {
console.log("Updated frequency:", frequency);
window.NA.DonationForm.setAmount(this.askAmount(currentAmount)).then((amount) => {
console.log("Updated amount:", amount);
setTimeout(() => {
console.log("Submitting...");
try {
window.NA.DonationForm.submit();
} catch (error) {
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Each week, you'll receive a reading guide that distills core principles, offers actionable takeaways, and explains how they affect the current world. While the full ebook enriches the experience, the guides alone provide a comprehensive understanding of fundamental economic ideas.
You’ll find this course especially useful and unique because…
- It allows you to understand economics in action: Real-life examples and analysis of current events that show you economics at work.
- There’s no prior knowledge required: Complex ideas are broken into simple, relatable explanations.
- You can be flexible with your learning according to your lifestyle: Go at your own pace, with weekly guides that fit your schedule.
Get instant access today and keep an eye on your inbox for a confirmation email and your first lesson.
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