forked from fanruan/fineui
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
175 lines
5.1 KiB
175 lines
5.1 KiB
7 years ago
|
// 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;
|
||
7 years ago
|
}
|
||
7 years ago
|
k++;
|
||
7 years ago
|
}
|
||
|
return -1;
|
||
7 years ago
|
};
|
||
7 years ago
|
}
|
||
7 years ago
|
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;
|
||
7 years ago
|
}
|
||
|
}
|
||
|
return -1;
|
||
7 years ago
|
};
|
||
7 years ago
|
}
|
||
|
/**
|
||
7 years ago
|
* 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 = {};
|
||
|
}
|
||
7 years ago
|
});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) {
|
||
7 years ago
|
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);
|
||
|
}
|
||
|
};
|
||
|
}
|
||
8 years ago
|
}(window);
|