Can we use == to compare strings in JavaScript?

Comparing two strings in JavaScript is easy: just use === . … The most basic way to do case insensitive string comparison in JavaScript is using either the toLowerCase() or toUpperCase() method to make sure both strings are either all lowercase or all uppercase.4 Eyl 2020

JavaScript is Case Sensitive All JavaScript identifiers are case sensitive.

Firstly, you are safe to compare strings that contain characters from Basic Multilangual Plane (including the ASCII characters) using regular comparison operators === , == or utility function Object.is() . Both str1 and str2 contain ASCII characters, so you can safely compare them using comparison operators.