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JavaScript - convert string to float
12 points
In this article, we can find different ways how to parse float numbers with parseFloat function in JavaScript.
Quick overview:
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var number = parseFloat('3.14');2
console.log(number === 3.14); // trueDifferent method examples are placed below.
This section shows how to convert with built-in parseFloat method some text to float.
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var text = '3.15';2
var number = parseFloat(text);3
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console.log(number === 3.15); // trueparseFloat method during conversion ignores all characters that are not digits and occur after the number. It makes it possible to parse numbers with units.
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var number = parseFloat('2.5cm'); // centimeters (cm)2
console.log(number === 2.5); // true3
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var number = parseFloat('2.5in'); // inches (in)5
console.log(number === 2.5); // true6
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var number = parseFloat('2.5%'); // percentages (%)8
console.log(number === 2.5); // true