How to append something to an array?

Freida

0 1 0 9

asked 07 September, 2021

What is the JavaScript version of sleep()?

Is there a better way to engineer a sleep in JavaScript than the following pausecomp function (taken from here

Rufus

0 1 0 9

asked 07 September, 2021

Is there an "exists" function for jQuery?

How can I check the existence of an element in jQuery? The current code that I have is this: if ($(selector)

Deedee

0 1 0 9

asked 07 September, 2021

Is it possible to apply CSS to half of a character?

What I am looking for: A way to style one HALF of a character. (In this case, half the letter being transpare

Clarice

0 1 0 9

asked 07 September, 2021

How can I convert a string to boolean in JavaScript?

Can I convert a string representing a boolean value (e.g., 'true', 'false') into a intrins

Bryant

0 1 0 9

asked 07 September, 2021

Creating multiline strings in JavaScript

I have the following code in Ruby. I want to convert this code into JavaScript. What is the equivalent code in

Royal

0 1 0 9

asked 07 September, 2021

JavaScript closure inside loops – simple practical example

var funcs = []; // let's create 3 functions for (var i = 0; i < 3; i++) { // and store them in f

Shanita

0 1 0 9

asked 07 September, 2021

Detecting an undefined object property

What's the best way of checking if an object property in JavaScript is undefined?

Mikki

0 1 0 9

asked 07 September, 2021

How can I upload files asynchronously with jQuery?

I would like to upload a file asynchronously with jQuery. $(document).ready(function () { $("#uploa

Dario

0 1 0 9

asked 07 September, 2021

How can I change an element&apos;s class with JavaScript?

How can I change the class of an HTML element in response to an onclick or any other events using JavaScript?

Dorinda

0 1 0 9

asked 07 September, 2021

How can I check if an object is an array?

I'm trying to write a function that either accepts a list of strings, or a single string. If it's a

Trudy

0 1 0 9

asked 07 September, 2021

event.preventDefault() vs. return false

When I want to prevent other event handlers from executing after a certain event is fired, I can use one of tw

Vi

0 1 0 9

asked 07 September, 2021

How do I loop through or enumerate a JavaScript object?

I have a JavaScript object like the following: var p = { "p1": "value1", "p2": "value2", "p3": "v

Santiago

0 1 0 9

asked 07 September, 2021

What is the difference between call and apply?

What is the difference between using call and apply to invoke a function? var func = function() { alert(&ap

Solomon

0 1 0 9

asked 07 September, 2021

Get the current URL with JavaScript?

All I want is to get the website URL. Not the URL as taken from a link. On the page loading I need to be able

Bryan

0 1 0 9

asked 07 September, 2021

How to round to at most 2 decimal places, if necessary?

I'd like to round at most 2 decimal places, but only if necessary. Input: 10 1.7777777 9.1 Output: 1

Lashawna

0 1 0 9

asked 07 September, 2021

How can I check for an empty/undefined/null string in JavaScript?

I saw this question, but I didn't see a JavaScript specific example. Is there a simple string.Empty avail

Elicia

0 1 0 9

asked 07 September, 2021

Sort array of objects by string property value

I have an array of JavaScript objects: var objs = [ { first_nom: 'Lazslo', last_nom: 'Jam

Daniel

0 1 0 9

asked 07 September, 2021

How do I correctly clone a JavaScript object?

I have an object x. I'd like to copy it as object y, such that changes to y do not modify x. I realized t

Hallie

0 1 0 9

asked 07 September, 2021

Checking if a key exists in a JavaScript object?

How do I check if a particular key exists in a JavaScript object or array? If a key doesn't exist, and I

Yolando

0 1 0 9

asked 07 September, 2021