Use parseFloat() method to Parse decimal in JavaScript. Here is the code converting string to 2 decimal.
var twoPlacedFloat = parseFloat(yourString).toFixed(2)The parseFloat() takes in a string value and converts it to a float. The parseFloat function will look at the first character of the string and decide whether that character is a number or not If not the parseFloat function will return NaN.
Parse decimal JavaScript
Simple example code.
<!DOCTYPE html>
<html>
<body>
<script>
let str = "100.0"
let res = parseFloat(str);
console.log(res)
console.log(typeof(res))
var twoPlacedFloat = res.toFixed(2)
console.log(twoPlacedFloat)
</script>
</body>
</html>
Output:
More example
parseFloat(10); // 10
parseFloat("10"); // 10
parseFloat("10.33"); // 10.33
parseFloat("34 45 66"); //34
parseFloat("He was 40"); // NaNDo comment if you have any doubts or suggestions on this Js decimal code.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version