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In JavaScript, string substring returns a portion of a given string. One argument tells the index to start the portion at.

Learn about the String.substring() method in JavaScript.

Tutorial explaining substring function support us: https://patreon.com/invite/mxlwm.

How to check whether a string contains a substring in JavaScript.

How to check whether a string contains a substring in JavaScript? we use javascript function string.includes(substring);.this ...

Javascript Substring Read more https://www.atharvgyan.com/2023/07/javascript-substring-comprehensive-guide.html ...

[Using test] A simple program to read a string and a substring and check whether the entered string contains the substring or not.