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Remove leading zeros from a number in JavaScript

How to remove leading zeros from a number like 020?

The simplest way is to use parseInt() with radix 10 when your number is in string format.

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parseInt(number, 10)

10 is the decimal base in mathematical numeral systems. Decimal radix removes the leading zeros when parsed.

console.log(parseInt('015', 10)); //15

Another way is to use string replace replace method.

console.log('015'.replace(/^0+/, '')); //15
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