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

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

javascript string substring string-matching

javascript

How to replace all occurrences of a string in JavaScript

javascript string replace

javascript

How do I make the first letter of a string uppercase in JavaScript?

javascript string letter capitalize

javascript

Creating multiline strings in JavaScript

javascript string multiline heredoc

javascript

Generate random string/characters in JavaScript

javascript string random

javascript

Check if a variable is a string in JavaScript

javascript string

javascript

When should I use double or single quotes in JavaScript?

javascript string conventions

javascript

How to convert a string to an integer in JavaScript?

javascript string integer data-conversion

javascript

How to check if a string "StartsWith" another string?

javascript string startswith

javascript

Convert JavaScript String to be all lower case?

javascript string

javascript

Trim string in JavaScript?

javascript string trim

javascript

Convert JS object to JSON string

javascript json string object

javascript

How to do case insensitive string comparison?

javascript string

javascript

endsWith in JavaScript

javascript string ends-with

javascript

How do I check if string contains substring? [duplicate]

javascript jquery string substring contains

javascript