Các hàm javascript (is_float )

JavaScript is_float

Returns true if variable is float point

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function is_float (mixed_var) {     // Returns true if variable is float point       //     // version: 1103.1210     // discuss at: http://phpjs.org/functions/is_float    // +   original by: Paulo Freitas     // +   bugfixed by: Brett Zamir (http://brett-zamir.me)     // +   improved by: WebDevHobo (http://webdevhobo.blogspot.com/)     // %        note 1: 1.0 is simplified to 1 before it can be accessed by the function, this makes     // %        note 1: it different from the PHP implementation. We can't fix this unfortunately.    // *     example 1: is_float(186.31);     // *     returns 1: true     if (typeof mixed_var !== 'number') {         return false;     }      return !!(mixed_var % 1); }

external links: original PHP docs | raw js source

Examples

Running

1	is_float(186.31);

Should return

1

true

Dependencies

No dependencies, you can use this function standalone.

Các hàm javascript (is_double )

function is_double (mixed_var) {
    // http://kevin.vanzonneveld.net
    // +   original by: Paulo Freitas
    //  -   depends on: is_float
    // %        note 1: 1.0 is simplified to 1 before it can be accessed by the function, this makes
    // %        note 1: it different from the PHP implementation. We can't fix this unfortunately.
    // *     example 1: is_double(186.31);
    // *     returns 1: true
    return this.is_float(mixed_var);
}

Examples
Running

1
is_double(186.31);
Should return

1
true
Dependencies
In order to use this function, you also need:
is_float