Javascript floatval : Variable handling : PHP functions in JavaScript JAVASCRIPT TUTORIALS

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Javascript floatval

Get the float value of a variable

Example 1

Running
1.floatval('150.03_page-section');

Could return
1.150.03
Example 2

Running
1.floatval('page: 3');
2.floatval('-50 + 8');

Could return
1.-50
Depe

function floatval(mixed_var) {
    // +   original by: Michael White (http://getsprink.com)
    // %        note 1: The native parseFloat() method of JavaScript returns NaN when it encounters a string before an int or float value.
    // *     example 1: floatval('150.03_page-section');
    // *     returns 1: 150.03
    // *     example 2: floatval('page: 3');
    // *     returns 2: 0
    // *     example 2: floatval('-50 + 8');
    // *     returns 2: -50
    return (parseFloat(mixed_var) || 0);
}

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