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document.onreadystatechange = function(){if(document.readState == "complete"){alert("页面加载完毕," + document.radyState);}//do something}$(document).ready(function(){alert("Jquery loaded");//do something});//------------------------------------------var textbox1 = document.getElementById("textbox1");if(textbox1 != null && textbox1 != undefined){alert(textbox1.value);}$("#TextBox1").val();//------------------------------------------------------var tb_list = document.getElementsByTagName("input");for(var i=0; i< tb_list.length; i++){alert(tb_list[i].name);}$("input").each(function(){alert($(this).attr("name"));})//----------------------------------------------var tb_list = document.getElementsByTagName("input");for (var i=0;i<tb_list.length; i++){if(tb_list[i].name.indexOf("TextBox") != -1){//indexOf参数区分大小写alert(tb_list[i].name);}}$("input[name*=\"TextBox\"]").each(function(){alert($(this).attr("name"));})//---------------------------------var tb_list = document.getElementsByTagName("input");for (var i=0;i<tb_list.length; i++){if(tb_list[i].name.indexOf("TextBox") != -1){tb_list[i].onclick = function(){alert(this.name);}}}$("input[name*=\"TextBox\"]").click(function(){//这个name*=\"TextBox\"区分大小写alert($(this).attr("Name")); //attr("Name不区分大小写")})//-----------------------------------------------//设置所有的checkbox为选中状态var cb_list = document.getElementsByName("input");var checked = "5";for(var i=0; i<cb_list.length; i++){if(cb_list[i].type == "checkbox"){cb_list[i].checked = true;}}$("input[type=\"checkbox\"]").attr("checked",true);//或者下面这样$("input[type=\"checkbox\"]").each(function(){$(this).attr("checked",true);})//设置所有的checkbox为非选中状态 只需要把true 改成 false//--------------------------------------------------------------------------------//带条件获取控件集合并修改样式var tb_list = document.getElementsByTagName("input");for(var i=0;i<tb_list.length;i++){if(tb_list[i].name.indexOf("TextBox") != -1){tb_list[i].style.width = "100";tb_list[i].style.height = "30";tb_list[i].style.border = "solid 1px red";}}$("input[name*=\"TextBox\"]").each(function(){$(this).css("height","30px").css("width","100px").css("border","solid 1px red");//或者$(this).css({height: "30px", width: "100px", border: "solid 1px red"});//或者$(this).height(30);$(this).width(100);$(this).css("border","solid 1px red");})//--------------------------------------------------------------------------------//选择某控件的子控件集合var parent = document.getElementById("div1").getElementsByTagName("input");for(var i=0;i<parent.length;i++){parent[i].value = i;//0 1 2 3 4 5 6}$("#div1 > input").each(function(){$(this).val(i);})//--------------------------------------------------------------------------------//添加onmouseover和onmouseoutvar div_list = document.getElementById("divframe").getElementsByTagName("div");for(var i=0;i<div_list.length;i++){div_list[i].onmouseover = function(){this.className = "f8";};div_list[i].onmouseout = function(){this.className = "";};};$("#divframe > div").mouseover(function(){$(this).addClass("f8");}).mouseout(function(){$(this).removeClass("f8");})//--------------------------------------------------------------------------------//禁用或启用选中的控件var tb_list = document.getElementsByTabName("input");for(var i=0;i<tb_list.length;i++){if(tb_list[i].type == "text"){tb_list[i].disabled = true;//禁用tb_list[i].disabled = false;//开启}}$("input[type=\"text\"]").attr("disabled",true);$("input[type=\"text\"]").attr("disabled",false);//---------------------------------------------------键盘事件var tb_list = document.getElementsByTagName("input");for(var i=0;i<tb_list.length;i++){if(tb_list[i].type == "text"){tb_list[i].onkeyup=function(){event.cancelBubble = true;event.returnValue = false;alert(event.keyCode);}}}$("input[type=\"text\"]").keyup(function(event){event.cancelBubble = true;event.returnValue = false;alert(event.keyCode);});//--------------------------------------------------------------------------------Attribute.indexOf(value);//其中的常用的选择器Attribute 包含该特性Attribute=value 与value值相等Attribute!=value 与value值不相等Attribute^=value 以value开头Attribute$=value 以value结尾Attribute*=value 包含valuefor example:$("input[id][name$=\"4\"][type=\"text\"]").val("i");筛选条件:1 input控件2 含有id属性3 含有name属性,并且name值以4结尾4 含有type属性,并且type的值为text操作:为符合以上条件的控件赋值:i |
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