转自:http://www.cnblogs.com/chiname/articles/216517.html(侵删)
/* * 方法:Array.removeAt(Index) * 功能:删除数组元素. * 参数:Index删除元素的下标. * 返回:在原数组上修改数组 */Array.prototype.removeAt = function(Index) { if (isNaN(Index) || Index > this.length) { return false; } for (var i = 0, n = 0; i < this.length; i++) { if (this[i] != this[Index]) { this[n++] = this[i] } } this.length -= 1}
/*
* 方法:Array.remove(obj) * 功能:删除数组元素. * 参数:要删除的对象. * 返回:在原数组上修改数组 */Array.prototype.remove = function(obj) { if (null == obj) { return; } for (var i = 0, n = 0; i < this.length; i++) { if (this[i] != obj) { this[n++] = this[i]; } } this.length -= 1 }
/*
* 方法:Array.Contains(obj) * 功能:确定某个元素是否在数组中. * 参数:要查找的Object对象 * 返回:找到返回true,否则返回false; */Array.prototype.Contains = function(obj) { if (null == obj) { return; } for (var i = 0, n = 0; i < this.length; i++) { if (this[i] != obj) { return true; } } return false; }
var arrContains = ['1', '22', '3333', '22'];
console.log(arrContains.Contains('22')); //true/*
* 方法:Array.IndexOf(obj) * 功能:搜索指定的Object,并返回第一个匹配项从零开始的索引 * 参数:要查找的Object对象 * 返回:找到返回该元素在数组中的索引,否则返回-1 */Array.prototype.IndexOf = function(obj) { if (null == obj) { return; } { for (var i = 0, n = 0; i < this.length; i++) { if (this[i] == obj) { return i; } } } return -1; }
/*
* 方法:Array.Clear() * 功能:消空数组元素. * 参数:无. * 返回:空数组 */Array.prototype.Clear = function() { this.length = 0; }
/*
* 方法:Array.formatString() * 功能:处理数组为字符串. * 参数:无. * 返回:字符串 */Array.prototype.formatString = function() { var str = ''; for (var i = 0; i < this.length; i++) { if(i == this.length -1){ str += this[i]; }else { str += this[i] + ';'; } } return str;};
$.prototype.serializeObject = function() { var a, o, h, i, e; a = this.serializeArray(); o = {}; h = o.hasOwnProperty; for (i = 0; i < a.length; i++) { e = a[i]; if (!h.call(o, e.name)) { o[e.name] = e.value; } } return o;};$.fn.serializeJson = function() { var arr = this.serializeArray(); var json = {}; arr.forEach(function(item) { var name = item.name; var value = item.value; if (!json[name]) { json[name] = value; } else if ($.isArray(json[name])) { json[name].push(value); } else { json[name] = [json[name], value]; } }); return json;}
//日期处理
Date.prototype.format = function (fmt) { var o = { "M+": this.getMonth() + 1, //月份 "d+": this.getDate(), //日 "h+": this.getHours(), //小时 "m+": this.getMinutes(), //分 "s+": this.getSeconds(), //秒 "q+": Math.floor((this.getMonth() + 3) / 3), //季度 "S": this.getMilliseconds() //毫秒 }; if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length)); for (var k in o) if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length))); return fmt;};