Search object in an array - Node.js Array

Node.js examples for Array:Search

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Description

Search object in an array

Demo Code

/** /*w ww  .j  a va 2 s .  c  om*/
 * Function: indexOf
 * Seems to exist already in FF, but not in MOZ.
 * 
 * Parameters:
 * array - {Array}
 * obj - {Object}
 * 
 * Returns:
 * {Integer} The index at, which the first object was found in the array.
 *           If not found, returns -1.
 */
indexOf = function(array, obj) {
    // use the build-in function if available.
    if (typeof array.indexOf == "function") {
        return array.indexOf(obj);
    } else {
        for (var i = 0, len = array.length; i < len; i++) {
            if (array[i] == obj) {
                return i;
            }
        }
        return -1;   
    }
};

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