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The isFloat() Function

The isFloat() function returns a boolean value that is true if the value parameter can be converted into a floating-point number by the parseFloat() function, and false if not.

Syntax

Example

var a = Lang.isFloat("576");
var b = Lang.isFloat("-576");
var c = Lang.isFloat("6.5");
var d = Lang.isFloat(" -9.45e2");
var e = Lang.isFloat("@13");
var f = Lang.isFloat("hello");

Result

a = true
b = true
c = true
d = true
e = false
f = false

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