javascript

require(‘isomorphic-fetch’); let items = []; fetch(“https://www.googleapis.com/books/v1/volumes?q=isbn:0747532699”) .then(function(res) { return res.json(); }) .then(function (result) { items = result.items; console.log(items); }), function (error) { console.log(error); } 1 solved Rewrite code from Arrow Function to non arrow function

function isValid(str){ return /[a-z]{3}[0-9]{3}/i.test(str) } 3 solved JavaScript String letters and numbers check [closed]

Introduction If you are looking for a way to move object’s entries one up, then you have come to the right place. In this article, we will discuss how to move object’s entries one up in a few simple steps. We will also discuss some tips and tricks to make the process easier and more … Read more

The this is referring to the Car, not the Garage. Try assigning the outer this to a variable: var Garage = function(location){ this.someRandomMethod = function(){ alert(“I am a method”); } var garage = this; // car object var Car = function(make,model){ this.model = model; this.make = make; var accessRandom = function(){ garage.someRandomMethod(); } } } … Read more

In javascript you can check existence of any object just by calling a condition with it if (data.sources[i]) { // Do whatever you want here, even call data.sources[i].id } So for you code if you want to check existence of those objects it would become like this: for (var i = 0; i < data.sources.length; … Read more

Introduction This article will discuss how to rewrite code from an arrow function to a non-arrow function. Arrow functions are a relatively new feature of JavaScript that allow developers to write code in a more concise and expressive way. However, there are certain situations where arrow functions are not supported, and it is necessary to … Read more

try alert in javascript… if(true) { alert(“Message”); } In the case of console.. console.log(“Hello World!”); 1 solved how to show messges using javascript on browser [closed]

Introduction This article will discuss how to check if a JavaScript string contains both letters and numbers. We will look at various methods for checking if a string contains both letters and numbers, and discuss the pros and cons of each approach. We will also provide code examples to help illustrate the different methods. Finally, … Read more

Introduction JavaScript is a powerful language that allows developers to create dynamic and interactive web applications. One of the most useful features of JavaScript is the ability to access methods outside the constructor. This means that developers can create functions that can be used in multiple places throughout their code. By using this feature, developers … Read more

There used to be a for each in in JS 1.6 and there is recently an array.foreach But I suggest you use a for loop like this since you have a collection function toggle(source) { var checkboxes = document.getElementsByName(‘foo[]’); for (var i=0;i<checkboxes.length;i++) { checkboxes[i].checked = source.checked; } } 3 solved Using for each to toggle … Read more