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JavaScript compare strings ignore case | Example code

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The simplest way to do compare strings ignore case is to call toUpperCase method in JavaScript. We can call it case insensitive string comparison.

Just use === operator

str1.toUpperCase() === str2.toUpperCase()

JavaScript compares strings ignore-case

Simple example code compares strings without being case sensitive.

<!DOCTYPE html>
   var str1 = "aBc";
   var str2 = "AbC";

   if (str1.toUpperCase() === str2.toUpperCase())
    console.log("Both string have same text")


JavaScript compare strings ignore case

Or you can both string lowercase.

var string1 = "aBc";
var string2 = "AbC";

if (string1.toLowerCase() === string2.toLowerCase())

Do comment if you have any doubts or suggestions on this JS string topic.

Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.

OS: Windows 10

Code: HTML 5 Version

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