my_jquery

/* * myjquery 0.1 - Javascript * * Copyright (c) 2011 zhuwei * * $Date: 2011-04-20$ */ var idExpr = /^#([\w-]+)$/; var singExpr = /^.\s+.$/; var toLower = Object.prototype.toLowerCase; var agent = navigator.userAgent.toLowerCase(); var $ = myjquery = window.$ = window.myjquery = function(selector, content){     return new myjquery.fn.init(selector, content); }myjquery.fn = myjquery.prototype = {    version: "myjquery 0.1",    length: 0,    init: function(selector, content){        if (typeof selector == "string"){            var match = idExpr.exec(selector);            var sing = singExpr.exec(selector);            if (match && match[1]){                var emet = document.getElementById(match[1]);                if (emet){                    this[0] = emet;                    this.length = 1;                }            }            else if (sing && sing[1]){                var emets = document.getElementsByTagName(sing[0]);                var j = 0, k = 0, l = 0, len = emets.length;                for (;j < len; j++){                    for (;l < emets[j].childNodes.length;l++){                        if (sing[1] === emets[j].childNodes[l].tagName.toLowerCase()){                            this[k++] = emets[j].childNodes[l];                            this.length = k;                        }                    }                                    }            }            else{                var emets = document.getElementsByTagName("*");                var j = 0, k = 0, len = emets.length;                for (;j<len;j++){                    if (selector === emets[j].type || selector === emets[j].tagName.toLowerCase()){                        this[k++] = emets[j];                        this.length = k;                    }                     }            }        }        else{            ;        }        this.content = document;        this.selector = selector;        return this;    },    css: function(name, val){        if (val){            this.each(function(){                this.style[name] = val;            });        }        else{            if (typeof(name) == "string"){                return this[0] ? this[0].style[name] : null;            }            else{                this.each(function(){                    for (var key in name){                        this.style[key] = name[key];                    }                });            }        }    }, text: function(val){        if (val){            this.each(function(){                this.value = val;            }, arguments);        }        else{            return this[0] ? this[0].value : null;        }    },    html: function(val){        if (val){            this.each(function(){                this.innerHTML = val;            });        }        else{            return this[0] ? this[0].innerHTML : null;        }    },    val: function(value){        if (value){                    }    },    height: function(val){        if (val){            this.each(function(){                this.style.height = val;            }, arguments);        }        else{            return this[0] ? this[0].style.height : null;        }    }, width: function(val){       if (val) {           this.each(function(){               this.style.width = val;           });       }       else{           return this[0] ? this[0].style.width : null;       }    },    attr: function(name, value){        if (value){            this.each(function(){                this[name] = value;            });        }        else{            if (typeof(name) == "string"){                return this[0] ? this[0].getAttribute(name) : null;            }            else{                this.each(function(){                    for (var key in name){                        this.setAttribute(key, name[key]);                    }                });            }        }    },    removeAttr: function(name){        this.each(function(){            this.removeAttribute(name);        });    },    addClass: function(className){        if (className){            this.each(function(){                this.className += this.className ? "" : className;            });        }    },        toggleClass: function(className){        if (className){            this.each(function(){                if (this.className.indexOf(className) != -1){                    var classArray = className.split(' ');                    for (var t in classArray){                        this.className = this.className.replace(className, "");                    }                }                else                    this.className += this.className ? "" : className;            });        }    },    removeClass: function(className){        if (className){            this.each(function(){                var classArray = className.split(' ');                for (var t in classArray){                    this.className = this.className.replace(className, "");                }            });        }    },    hasClass: function(className){        return this.is("."+className);    },    each: function(callback, args){        return myjquery.each(this, callback, args);    }} myjquery.fn.init.prototype = myjquery.prototype;myjquery.each = function (obj, callback, args){    var i = 0; len = obj.length;    if (args == undefined){        for (var value = obj[i]; i<len && callback.call(value,i,value) !== false;){            value = obj[++i];        }    }    else{        for (; i < len ;){            if (callback.apply(obj[i++], args) === false){                break;            }        }    }}$("label").html(333);myjquery.browser = {    msie: /msie/.test(agent),    firefox:/firefox/.test(agent),    opera:/opera/.test(agent),    safari:/safari/.test(agent) && !/chrome/.test(agent),    chrome:/chrome/.test(agent)}