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Javascript 2022-02-06 18:45:22
javascript return a promise
function doSomething() { return new Promise((resolve, reject) => { console.log("It is done."); // Succeed half of the time. if (Math.random() > .5) { resolve("SUCCESS") } else { reject("FAILURE&... Add solution -
Javascript 2022-02-06 08:45:07
promise definition in javascript
var promise = new Promise(function(resolve, reject) { // do some long running async thing… if (/* everything turned out fine */) { resolve("Stuff worked!"); } else { reject(Error("It broke")); }... Add solution -
Javascript 2022-02-01 00:35:20
pdf javascript search text
var searchText = "JavaScript"; function searchPage(doc, pageNumber) { return doc.getPage(pageNumber).then(function (page) { return page.getTextContent(); }).then(function (content) { // Search combined text content using regular expr... Add solution -
Other 2021-11-22 12:11:58
arrow functions basic usages in javascript
// An empty arrow function returns undefined let empty = () => {}; (() => 'foobar')(); // Returns "foobar" // (this is an Immediately Invoked Function Expression) var simple = a => a > 15 ? 15 : a; simple(16); // 15 simple(10); // ... Add solution -
Other 2021-11-22 12:11:33
arrow functions basic usages in javascript
// An empty arrow function returns undefined let empty = () => {}; (() => 'foobar')(); // Returns "foobar" // (this is an Immediately Invoked Function Expression) var simple = a => a > 15 ? 15 : a; simple(16); // 15 simple(10); // ... Add solution -
Other 2021-11-22 12:11:23
arrow functions basic usages in javascript
// An empty arrow function returns undefined let empty = () => {}; (() => 'foobar')(); // Returns "foobar" // (this is an Immediately Invoked Function Expression) var simple = a => a > 15 ? 15 : a; simple(16); // 15 simple(10); // ... Add solution -
Other 2021-11-22 12:10:53
arrow functions basic usages in javascript
// An empty arrow function returns undefined let empty = () => {}; (() => 'foobar')(); // Returns "foobar" // (this is an Immediately Invoked Function Expression) var simple = a => a > 15 ? 15 : a; simple(16); // 15 simple(10); // ... Add solution -
Other 2021-11-22 12:10:49
arrow functions basic usages in javascript
// An empty arrow function returns undefined let empty = () => {}; (() => 'foobar')(); // Returns "foobar" // (this is an Immediately Invoked Function Expression) var simple = a => a > 15 ? 15 : a; simple(16); // 15 simple(10); // ... Add solution -
Other 2021-11-22 12:10:46
arrow functions basic usages in javascript
// An empty arrow function returns undefined let empty = () => {}; (() => 'foobar')(); // Returns "foobar" // (this is an Immediately Invoked Function Expression) var simple = a => a > 15 ? 15 : a; simple(16); // 15 simple(10); // ... Add solution