Number.parseFloat()
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
.
Try it
Syntax
js
Number.parseFloat(string)
Parameters
string
-
The value to parse, coerced to a string. Leading whitespace in this argument is ignored.
Return value
A floating point number parsed from the given string
.
Or NaN
when the first non-whitespace character cannot be converted to a number.
Examples
Number.parseFloat vs. parseFloat
This method has the same functionality as the global parseFloat()
function:
js
Number.parseFloat === parseFloat; // true
Its purpose is modularization of globals.
See parseFloat()
for more detail and examples.
Specifications
Specification |
---|
ECMAScript Language Specification # sec-number.parsefloat |
Browser compatibility
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See also
- Polyfill of
Number.parseFloat
incore-js
Number
: The object this method belongs to.- The global
parseFloat()
method.