Function indexOf

_benchmarks/sample_echarts.js:305–317

(array, value)

        return document.createElement('canvas');
    };
    function indexOf(array, value) {
        if (array) {
            if (array.indexOf) {
                return array.indexOf(value);
            }
            for (var i = 0, len = array.length; i < len; i++) {
                if (array[i] === value) {
                    return i;
                }
            }
        }
        return -1;
    }
    function inherits(clazz, baseClazz) {
        var clazzPrototype = clazz.prototype;
        function F() { }