JavaScript

The primary use of JavaScript is to write functions that are embedded in or included from HTML pages and that interact with the Document Object Model (DOM) of the page.

JavaScript

Javascript: object keys and values to html table

14 Jun, 2021
JavaScript
Convert javascript object into html table, where keys are in the first column and values are in the second column. This uses plain javascript so you can use it anywhere.
JavaScript

Explode / split string in ES6

15 Jul, 2020
JavaScript
How to split string in ES6. I would suggest the method of using split function from lodash. In modern JavaScript frontend you use a lot of dependencies and lodash is used in almost every project....
JavaScript

Validate Date in JavaScript

15 Apr, 2020
JavaScript
How to find out if a Date is indeed a valid Date. Simply instance check will not do it, the date might be "Invalid Date".
JavaScript

Create and Post HTML Form using Javascript

20 Mar, 2019
JavaScript
This snippet creates html form and submits it, the same way as browser submits form "with redirect". If you need the redirect not an ajax solution, for example credit card payment.
JavaScript

Convert to Integer in JavaScript

8 Nov, 2018
JavaScript
There are multiple ways to convert values to integer in javascript. Using Math.trunc gives the most accurate results.
JavaScript

Webpack: Remove comments from compressed css

1 Jun, 2017
JavaScript
You can minify css with optimize-css-assets-webpack-plugin, but by default some comments are left untouched. If you want to remove all comments you have to use an option for the cssnano, that is used...
JavaScript

Javascript: move item to end of array (of objects), by property value

29 May, 2017
JavaScript
The snippet shows how to move item to the end of array. In a case where we have an array of objects and we want to move the array item by property value. In this example I am using lodash/underscore...
JavaScript

JavaScript ES6: Clone Object

13 May, 2017
JavaScript
The Object.assign() method copies all properties from one or more source objects to a target object. It returns the target object. This can be used for cloning an object in ES6, just create an empty...
JavaScript

webpack: Minify CSS in production

14 Mar, 2017
JavaScript
You can achieve this by adding a library that supports css minify to "webpack.config.js". In this snippet I use "optimize-css-assets-webpack-plugin" which uses cssnano for minimizing by default. The...
JavaScript

Delete object key and value in javascript

12 Oct, 2016
JavaScript
Deleting object value with key in javascript. For this you can use the delete operator. Permits you to remove a property from an object.
JavaScript

Minify JavaScript from command line

8 Mar, 2016
JavaScript
This snippet shows how to minify javascript files from command line. Minifying JavaScript is useful in many respects. Most important are security and performance. Security is increased due to the...
JavaScript

Get previous / next element using JavaScript

8 Mar, 2016
JavaScript
This snippet shows how to get element next to your element / selector. This a part of dom traversal. Using javascript for next element parsing can be used to create some powerful dynamic content. I...
JavaScript

AddThis: Popup instead of hover box

25 Nov, 2015
JavaScript
AddThis is an awesome social sharing tool. It is fully customizable. I suggest using addthis module for loading add this library, this has performance options for the javascript loading.
JavaScript

Get cursor position in CKEditor

12 Jun, 2015
JavaScript
Get cursor position in CKEditor is simple if you know some facts. You have to have the instance initiated, so simple jQuery ready would not work. You can get selection and use that functionality to...
JavaScript

Alter URL GET parameters using JavaScript

14 Aug, 2013
JavaScript
This function alters url get parameters using javascript. The function takes to consideration all aspects of url (parameter existis, hash, parameter doesn't exist). For an example if you need to be...
JavaScript

jQuery - Check if selector is disabled

7 Mar, 2013
JavaScript
You can use "is" to see if the form element is disabled.
JavaScript

Message before leaving the page - JavaScript / jQuery

8 Feb, 2013
JavaScript
How to display message before closing the page or moving to another page. Don't use this to annoy people. Sometimes this functionality is still useful, for an example if you have some sort of unsaved...
JavaScript

Get URL variables with JavaScript

21 Nov, 2012
JavaScript
This function gets URL variables in JavaScript. Current page url parameters will be parsed into array, that will be returned.
JavaScript

Monochrome Google Maps

19 Nov, 2012
JavaScript
This example shows how to create monocrome Google Maps. Where the map will be using only shades of grey (with or without black and/or white). It might also be called grayscale or black-and-white.
JavaScript

Round numbers in JavaScript

1 Oct, 2011
JavaScript
This snippet shows you how to round a number to a specified number of decimal places in JavaScript.
JavaScript

Print JavaScript object

21 Sep, 2011
JavaScript
This snippet shows how to print JavaScript object.
JavaScript

Redirection in JavaScript

16 Aug, 2011
JavaScript
There are many ways of doing redirect in JavaScript this should be the standard implementation for changing the current window's location.
JavaScript

Switching Images With Arrows in JavaScript

7 Apr, 2011
JavaScript
This tutorial shows how to make image switcher with javascript. You can switch images by using arrows.
JavaScript

Loading AJAX Page / Dynamic Content

25 Aug, 2010
JavaScript
Tutorial about loading page with AJAX between any HTML tags. We are using jQuery JavaScript library to do this.