fineui/bi/polyfill.js

// Production steps of ECMA-262, Edition 5, 15.4.4.14
// Reference: http://es5.github.io/#x15.4.4.14
if (!Array.prototype.indexOf) {
    Array.prototype.indexOf = function (searchElement, fromIndex) {

        var k;

        // 1. Let o be the result of calling ToObject passing
        //    the this value as the argument.
        if (this == null) {
            throw new TypeError('"this" is null or not defined');
        }

        var o = Object(this);

        // 2. Let lenValue be the result of calling the Get
        //    internal method of o with the argument "length".
        // 3. Let len be ToUint32(lenValue).
        var len = o.length >>> 0;

        // 4. If len is 0, return -1.
        if (len === 0) {
            return -1;
        }

        // 5. If argument fromIndex was passed let n be
        //    ToInteger(fromIndex); else let n be 0.
        var n = fromIndex | 0;

        // 6. If n >= len, return -1.
        if (n >= len) {
            return -1;
        }

        // 7. If n >= 0, then Let k be n.
        // 8. Else, n<0, Let k be len - abs(n).
        //    If k is less than 0, then let k be 0.
        k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);

        // 9. Repeat, while k < len
        while (k < len) {
            // a. Let Pk be ToString(k).
            //   This is implicit for LHS operands of the in operator
            // b. Let kPresent be the result of calling the
            //    HasProperty internal method of o with argument Pk.
            //   This step can be combined with c
            // c. If kPresent is true, then
            //    i.  Let elementK be the result of calling the Get
            //        internal method of o with the argument ToString(k).
            //   ii.  Let same be the result of applying the
            //        Strict Equality Comparison Algorithm to
            //        searchElement and elementK.
            //  iii.  If same is true, return k.
            if (k in o && o[k] === searchElement) {
                return k;
            }
            k++;
        }
        return -1;
    };
}
if (!Array.prototype.lastIndexOf) {
    Array.prototype.lastIndexOf = function (searchElement /*, fromIndex*/) {
        'use strict';

        if (this === void 0 || this === null) {
            throw new TypeError();
        }

        var n, k,
            t = Object(this),
            len = t.length >>> 0;
        if (len === 0) {
            return -1;
        }

        n = len - 1;
        if (arguments.length > 1) {
            n = Number(arguments[1]);
            if (n != n) {
                n = 0;
            }
            else if (n != 0 && n != (1 / 0) && n != -(1 / 0)) {
                n = (n > 0 || -1) * Math.floor(Math.abs(n));
            }
        }

        for (k = n >= 0
            ? Math.min(n, len - 1)
            : len - Math.abs(n); k >= 0; k--) {
            if (k in t && t[k] === searchElement) {
                return k;
            }
        }
        return -1;
    };
}
/**
 * 特殊情况
 * Created by wang on 15/6/23.
 */
//解决console未定义问题 guy
window.console = window.console || (function () {
        var c = {};
        c.log = c.warn = c.debug = c.info = c.error = c.time = c.dir = c.profile
            = c.clear = c.exception = c.trace = c.assert = function () {
        };
        return c;
    })();
/*
 * 前端缓存
 */
window.localStorage || (window.localStorage = {
    items: {},
    setItem: function (k, v) {
        BI.Cache.addCookie(k, v);
    },
    getItem: function (k) {
        return BI.Cache.getCookie(k);
    },
    removeItem: function (k) {
        BI.Cache.deleteCookie(k);
    },
    key: function () {

    },
    clear: function () {
        this.items = {};
    }
});if (typeof Set !== 'undefined' && Set.toString().match(/native code/)) {

} else {
    Set = function () {
        this.set = {}
    };
    Set.prototype.has = function (key) {
        return this.set[key] !== undefined;
    };
    Set.prototype.add = function (key) {
        this.set[key] = 1
    };
    Set.prototype.clear = function () {
        this.set = {}
    };
}//修复ie9下sort方法的bug
;!function (window) {
    var ua = window.navigator.userAgent.toLowerCase(),
        reg = /msie|applewebkit.+safari/;
    if (reg.test(ua)) {
        var _sort = Array.prototype.sort;
        Array.prototype.sort = function (fn) {
            if (!!fn && typeof fn === 'function') {
                if (this.length < 2) {
                    return this;
                }
                var i = 0, j = i + 1, l = this.length, tmp, r = false, t = 0;
                for (; i < l; i++) {
                    for (j = i + 1; j < l; j++) {
                        t = fn.call(this, this[i], this[j]);
                        r = (typeof t === 'number' ? t :
                                !!t ? 1 : 0) > 0;
                        if (r === true) {
                            tmp = this[i];
                            this[i] = this[j];
                            this[j] = tmp;
                        }
                    }
                }
                return this;
            } else {
                return _sort.call(this);
            }
        };
    }
}(window);