Last Updated : 23 Jul, 2025
JavaScript Less Than(<) Operator is used to compare two operands and return true if the left operand has a lesser value than the right operator. The values are converted to equal primitive types before conversion If both the values are strings the comparison is done on the basis of their Unicode. Boolean values like true and false are converted to 1 and 0 respectively.
Syntax:
a<b
Example 1: In this example, we will compare String, Number, and Boolean using Less Than Operator.
JavaScript
console.log("3"<2);
console.log("2"<3);
console.log(true<false);
Output: The String and Boolean values are converted to Numbers and compared.
false true false
Example 2: In this example, we will compare BigInt, and other data types Less Than Operator.
JavaScript
console.log(2<2n);
console.log(5n<4);
console.log(undefined<null);
console.log(null<undefined)
Output: Similar to the previous example, the values are first converted to numbers and then compared.
false false false false
Supported Browsers:
We have a complete list of JavaScript Comparison Operators, to check those please go through, the JavaScript Comparison Operator article
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