Code Snippets
30 seconds of code provides a curated collection of short code snippets for all your development needs. Our collection spans many topics, ranging from simple coding problems to theoretical concepts and development techniques.
What is the purpose of the alt attribute on images?
Learn how to correctly use the
altattribute on images in HTML.HTML, Image · Jun 25, 2023
Create a descending list of numbered items in HTML
Did you know there's an easy way to create a descending list of numbered items with pure HTML? Learn how with this handy tip.
HTML, Content · Jun 22, 2021
Check if bottom of page is visible
Checks if the bottom of the page is visible.
JavaScript, Browser · Oct 22, 2020
Clamp number
Clamps
numwithin the inclusive range specified by the boundary valuesaandb.JavaScript, Math · Oct 22, 2020
Copy sign to number
Returns the absolute value of the first number, but the sign of the second.
JavaScript, Math · Oct 7, 2020
Check if date is after another date
Checks if a date is after another date.
JavaScript, Date · Oct 20, 2020
Check if date is before another date
Checks if a date is before another date.
JavaScript, Date · Oct 20, 2020
Check if date is between two dates
Checks if a date is between two other dates.
JavaScript, Date · Oct 20, 2020
Number in range
Checks if the given number falls within the given range.
JavaScript, Math · Nov 1, 2020
