Create tq.js

Author: takhello

tq.js

@@ -0,0 +1,86 @@
+
+/*
+*#id .className  标签选择器
+* selector=选择器
+*/
+
+// function $(selector)
+// {
+// 	var c=selector.substring(0,1);
+// 	if(c == '#')
+// 	{
+// 		return document.getElementById(selector.substring(1,selector.length));
+// 	}
+// }
+
+/*
+*类选择器
+*语法 $(".class")
+*
+*/
+// function $(selector)
+// {
+// 	//判断浏览器是否支持getElementsByClassName
+// 	var className = selector.substring(1);
+// 	if(document.getElementsByClassName)
+// 	{
+// 		return document.getElementsByClassName(className);
+// 	}
+// 	else
+// 	{
+// 		//document.getElementsByTagName('*') +正则
+// 		var reg =new RegExp("\\s|^"+className+"\\s|$");
+// 		var elems = document.getElementsByTagName("*");
+// 		var arr=[];//保存获取到的 指定className 的元素
+// 		for(var i=0; i<elems.length;i++)
+// 		{
+// 			if(reg.test(elems[i].className))
+// 			{
+// 				arr.push(elems[i]);
+// 			}
+// 			return arr;
+// 		}
+// 	} 
+
+// }
+
+/*
+*标签选择器
+*语法: $("element")
+*/
+// function $(element)
+// {
+// 	return document.getElementsByTagName(element);
+// }
+
+var $=function(selector)
+{
+	this.tqObject = new TQObject();
+	if(selector.substring(0,1) == "#")
+	{
+		var elem = document.getElementById(selector.substring(1));
+		this.tqObject.data.push(elem);
+	}
+	else if(selector.substring(0,1) == ".")
+	{//类选择器 的操作
+		var elems = document.getElementsByTagName('*');
+		var reg = new RegExp("(^|\\s)"+selector.substring(1)+"($|\\s)");
+		for(var i=0;i<elems.length;i++)
+		{
+			if(reg.test(elems[i].className))
+			{
+				this.tqObject.data.push(elems[i]);
+			}
+		}
+	}
+	else
+	{
+		var elems=document.getElementsByTagName(selector);
+		this.tqObject.data=elems;
+	}
+	return tqObject;
+}
+var TQObject = function()
+{
+	this.data=[];
+}