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parseFloat() is an ECMAScript1 (ES1) feature. ES1 (JavaScript 1997) is fully supported in all browsers:
- Try It Yourself
Learn how to use JavaScript's parseFloat() method with...
- Try It Yourself
13 mar 2009 · var value = parseFloat ("554,20") This will return 554.20: var value = parseFloat ("554.20") So in the end, you can simply use: var fValue = parseFloat (document.getElementById ("textfield").value.replace (",",".")) Don't forget that parseInt () should only be used to parse integers (no floating points).
25 lip 2024 · parseFloat() picks the longest substring starting from the beginning that generates a valid number literal. If it encounters an invalid character, it returns the number represented up to that point, ignoring the invalid character and all characters following it.
The parseFloat() function parses an argument and returns a floating-point number. Example const stringDate = "23.9";
31 maj 2024 · In JavaScript, the .parseFloat() method parses a given string and returns the first floating-point number found in the string. Parsing stops when it encounters a character that is not part of a valid number.
25 wrz 2023 · The Number.parseFloat() static method parses an argument and returns a floating point number. If a number cannot be parsed from the argument, it returns NaN.
22 lip 2017 · parseFloat parses its argument, and returns a floating point number. If it encounters a character other than a sign (+ or -), numeral (0-9), a decimal point, or an exponent, it returns the value up to that point and ignores that character and all succeeding characters.
