JavaScript

Topic	Replies	Views	Activity
Remove duplication to improve code tutorial In a recent thread about validating form fields, I noticed a lot of duplication in the code, and that duplication has been making it tricky for people to examine the code. This thread is dedicated to exploring how to eff…	49	10004	August 4, 2021
Converting jQuery to vanilla JavaScript, a step by step guide Frequently I see on here people asking to deal with jQuery, for example with converting it to vanilla JavaScript. As a result I thought that I’d provide a worked example of converting code from jQuery to vanilla JavaScr…	14	11805	July 16, 2020
An introduction to debugging code Recently while helping someone make improvements to an SVG shape editor being developed on JSFiddle, we were setting the currently active shape with a thicker stroke. That worked when one of the Stroke input fields was a…	2	13213	April 26, 2018
How to select the first element in the screen or window regardless of vertical scrolling position?	7	99	June 10, 2023
Can JavaScript which is not part of a userscript-manager run after redirecting the user?	5	38	June 10, 2023
How to block a website with a subdomain?	3	86	June 10, 2023
How to get the URL of an element by that element's CSS selector?	2	51	June 10, 2023
Run script from a single page	8	172	June 10, 2023
Click on one element and by doing so pseudo-click on another element	3	87	June 10, 2023
How to select the h2 which appears highest on the screen/window?	0	91	June 9, 2023
Code works in console but not in user script scripts	9	867	June 9, 2023
Many Javascripts How to Divide Load	4	279	June 9, 2023
Regex to grab subject when wraped in span or not	6	273	June 8, 2023
How to add an element after an element in modern vanilla JavaScript?	12	307	June 8, 2023
Handling .click() in the Safari browser ios , javascript	7	122	June 8, 2023
How to Differentiate Between Dynamically Generated Elements Having the Same Class	7	431	June 7, 2023
Custom Audio Player	15	174	June 7, 2023
NextJS: Slug-based routing: 404	0	95	June 7, 2023
Displaying alerts based on user's checkbox selection	3	244	June 7, 2023
Syntax error for document search script scripts	5	464	June 6, 2023
Problems adding Google Search to Bootstrap Dropdown menu	14	1005	June 6, 2023
How can I access a output outside a promise `.then` method? jquery	5	116	June 5, 2023
How to decrypt the number using Javascript	3	249	June 5, 2023
Find element in array that complies to multiple conditions	5	500	June 1, 2023
Problem Statement Given a year (an integer value, as input), determine whether it is a leap year or not scripts	3	819	June 1, 2023
The advantage of using Number() instead of parseInt or parseFloat	14	295	May 31, 2023
Is this right way to convert data attributes values to number in javascipt? Need to get valid numeric value or 0	3	301	May 30, 2023
How can I shorten this code?	11	737	May 29, 2023
Calling a Secure Rest API using basic with from Javascript Client Application	15	635	May 29, 2023
Can you help me fix my high score function in a simple game I made scripts	5	410	May 26, 2023

Remove duplication to improve code

tutorial

In a recent thread about validating form fields, I noticed a lot of duplication in the code, and that duplication has been making it tricky for people to examine the code. This thread is dedicated to exploring how to eff…

49

10004

August 4, 2021

Converting jQuery to vanilla JavaScript, a step by step guide

Frequently I see on here people asking to deal with jQuery, for example with converting it to vanilla JavaScript. As a result I thought that I’d provide a worked example of converting code from jQuery to vanilla JavaScr…

14

11805

July 16, 2020

An introduction to debugging code

Recently while helping someone make improvements to an SVG shape editor being developed on JSFiddle, we were setting the currently active shape with a thicker stroke. That worked when one of the Stroke input fields was a…

2

13213

April 26, 2018

How to select the first element in the screen or window regardless of vertical scrolling position?