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WMLScript Reference WMLScript Reference

WMLScript > Lang > isFloat()

isFloat() - The isFloat Function

Usage:

isFloat(value)

Description: Returns a boolean value that is true if the given value can be converted into an floating-point number by using parseFloat(value). Otherwise false is returned.

Example:

var a = Lang.isFloat(" -123");      // true
var a = Lang.isFloat(" 123.33");    // true
var a = Lang.isFloat("string");     // false
var a = Lang.isFloat("#123.33");    // false
var a = Lang.isFloat(invalid);      // invalid

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