Trending questions in Java

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Check if a value is an object in JavaScript

How do you check if a value ...READ MORE

Dec 7, 2022 in Java by Nicholas
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How to check if an object is a Promise?

Whether it's an ES6 Promise, a Bluebird ...READ MORE

Dec 6, 2022 in Java by Nicholas
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How do I link a JavaScript file to a HTML file?

How should a JavaScript file be linked ...READ MORE

Dec 6, 2022 in Java by Nicholas
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Best place to insert JavaScript within a HTML document

Where should the javascript code go? ...READ MORE

Dec 6, 2022 in Java by Nicholas
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What is 'Currying'?

I've seen references to curried functions in ...READ MORE

Dec 6, 2022 in Java by Nicholas
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How to filter an array from all elements of another array

This is what I would do: var arr1 = [1,2,3,4], ...READ MORE

Nov 7, 2022 in Java by Damonlang
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Calculate string value in javascript, not using eval

You could use the Function() constructor: function evil(fn) ...READ MORE

Nov 15, 2022 in Java by Damonlang
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javascript filter array multiple conditions

You can do like this var filter = ...READ MORE

Nov 8, 2022 in Java by Damonlang
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Setting time zone of a java.util.Date

Using Java 8 Java 8 introduced a new Date-Time ...READ MORE

Dec 15, 2020 in Java by Gitika
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Violation Long running JavaScript task took xx ms

These messages are classified as warnings rather ...READ MORE

Nov 15, 2022 in Java by Damonlang
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How to trigger a file download when clicking an HTML button or JavaScript

You can trigger a download with the ...READ MORE

Nov 7, 2022 in Java by Damonlang
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Wait until all jQuery Ajax requests are done?

You may need to run certain code ...READ MORE

May 30, 2022 in Java by gaurav
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Can you control GIF animation with Javascript?

Is it feasible to use Javascript to ...READ MORE

Nov 16, 2022 in Java by Nicholas
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Check if input is number or letter javascript

The isNaN function can be used to ...READ MORE

Nov 15, 2022 in Java by Damonlang
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What is the difference between contiguous and non-contiguous arrays?

In the numpy manual about the reshape() function, it ...READ MORE

Nov 16, 2022 in Java by Ashwini
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Javascript counting number of objects in object

I have an object something like: Object {0=Object, ...READ MORE

Nov 17, 2022 in Java by Nicholas
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How to draw a circle in HTML5 Canvas using JavaScript?

Here's how to draw a circle in ...READ MORE

Nov 15, 2022 in Java by Damonlang
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Arrays.fill with multidimensional array in Java

Without using a loop, how can I ...READ MORE

Nov 16, 2022 in Java by Ashwini
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Generating Fibonacci Sequence

var x = 0; var y = 1; var ...READ MORE

Nov 17, 2022 in Java by Nicholas
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What is the use of the JavaScript 'bind' method?

What is the use of bind() in ...READ MORE

Nov 17, 2022 in Java by Nicholas
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How to detect #enable-force-dark flag on Chrome v78+ using JavaScript?

I just developed and implemented a dark ...READ MORE

Nov 17, 2022 in Java by Nicholas
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How to remove item from array by value?

Is it possible to delete an item ...READ MORE

Nov 17, 2022 in Java by Nicholas
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Why doesn't importing java.util.* include Arrays and Lists?

I am using java on debian 5 java ...READ MORE

Nov 16, 2022 in Java by Ashwini
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Check if a variable is a string in JavaScript

This is what I've found to be ...READ MORE

Nov 15, 2022 in Java by Damonlang
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Javascript counting number of objects in object

I have an object something like: Object {0=Object, ...READ MORE

Nov 15, 2022 in Java by Nicholas
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What is DOM Event delegation?

Can anyone please explain event delegation in ...READ MORE

Nov 16, 2022 in Java by Nicholas
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What is the meaning of "$" sign in JavaScript

A dollar ($) symbol appears in the ...READ MORE

Nov 16, 2022 in Java by Nicholas
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What is TypeScript and why would I use it in place of JavaScript?

Could you kindly explain the TypeScript language? What ...READ MORE

Nov 16, 2022 in Java by Nicholas
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How to create an array containing 1...N

I'm looking for alternatives to the following for creating a JavaScript array with values ranging from 1 to N, where N is only known at  runtime. var foo = []; for (var i = ...READ MORE

Nov 15, 2022 in Java by Nicholas
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Vanilla JavaScript equivalent of jQuery's $.ready() - how to call a function when the page/DOM is ready for it

Use Internet Explorer 9 or later if you're using VANILLA pure JavaScript without jQuery. document.addEventListener("DOMContentLoaded", function(event) { // ...READ MORE

Nov 8, 2022 in Java by Damonlang
 • 700 points • 378 views
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How do JavaScript closures work?

How would you explain JavaScript closures to ...READ MORE

Nov 15, 2022 in Java by Nicholas
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Download File Using JavaScript/jQuery

I have a similar requirement listed here. When ...READ MORE

Nov 15, 2022 in Java by Nicholas
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How to validate password using following conditions?

Password should contain At least one uppercase letter At ...READ MORE

Nov 15, 2022 in Java by Nicholas
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How to round to at most 2 decimal places, if necessary

I'd like to round at most two ...READ MORE

Nov 9, 2022 in Java by Nicholas
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Why were Javascript `atob()` and `btoa()` named like that?

A base64 string and window are both ...READ MORE

Nov 9, 2022 in Java by Nicholas
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What is "callback hell" and how and why does RX solve it?

Can someone provide a precise description and ...READ MORE

Nov 9, 2022 in Java by Nicholas
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Why firefox is written in C++ and javascript UI?

First off, Java and JavaScript are entirely ...READ MORE

Nov 8, 2022 in Java by Damonlang
 • 700 points • 178 views
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Difference between Relative path and absolute path in javascript

Have small clarifications, As of my knowledge, these ...READ MORE

Nov 8, 2022 in Java by Nicholas
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How do you use the ? : (conditional) operator in JavaScript?

In simple words, what is the ?: ...READ MORE

Nov 9, 2022 in Java by Nicholas
 • 7,760 points • 115 views
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How to send an email from JavaScript

Javascript does not natively support email sending. However, you may access the user's mail client: window.open('mailto:test@example.com'); There are also some parameters to pre-fill ...READ MORE

Nov 8, 2022 in Java by Damonlang
 • 700 points • 110 views
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What is the difference between ( for... in ) and ( for... of ) statements?

I'm familiar with a for... in loop (it iterates over the keys), but this is the first I've heard of a for... of loop (it iterates over values). I don't understand the for...of loop. var arr = [3, 5, 7]; arr.foo ...READ MORE

Nov 9, 2022 in Java by Nicholas
 • 7,760 points • 80 views
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What is location.search in javascript

http://example.com/index.php?foo=bar location.search > ?foo=bar ...READ MORE

Nov 8, 2022 in Java by Damonlang
 • 700 points • 106 views
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javascript Image tag

I'm adding an image snapshot of a ...READ MORE

Nov 8, 2022 in Java by Nicholas
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How to show console in jsfiddle

Normally by pressing F12 or using inspect ...READ MORE

Nov 7, 2022 in Java by Damonlang
 • 700 points • 159 views
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1 answer

Base64 encoding and decoding in client-side Javascript

Some browsers, including Firefox, Chrome, Safari, Opera, ...READ MORE

Nov 4, 2022 in Java by Damonlang
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1 answer

What does the function then() mean in JavaScript?

The then() method is similar to "Javascript ...READ MORE

Nov 4, 2022 in Java by Damonlang
 • 700 points • 239 views
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1 answer

Refresh a page using JavaScript or HTML

window.location.reload(); in JavaScript <meta http-equiv="refresh" content="1"> in HTML ...READ MORE

Nov 7, 2022 in Java by Damonlang
 • 700 points • 150 views
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What's the best way to convert a number to a string in JavaScript?

What method is the "best" for convert ...READ MORE

Nov 8, 2022 in Java by Nicholas
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What is the "debounce" function in JavaScript?

The JavaScript "debouncing" feature piques my attention. Unfortunately, the code is not presented in a way that I can comprehend.  How does it function (my comments are below)? I just do not understand how this works, to put it briefly. // Returns a function, ...READ MORE

Nov 8, 2022 in Java by Nicholas
 • 7,760 points • 80 views
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How can I get query string values in JavaScript?

Is there a method to retrieve query ...READ MORE

Nov 8, 2022 in Java by Nicholas
 • 7,760 points • 76 views
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