document.querySelectorAll('#searchTxt')[0].value;//通过 id 获取 document.querySelectorAll('.searchField')[0].value;//通过类 class 获取 document.querySelectorAll('input')[0].value;//通过标签名获取 document.querySelectorAll('[name="searchTxt"]')[0].value;//通过 name 属性和值来获取...
DOCTYPE html><html><head><title></title> <script> function getName() { var name = document.getElementsByName("btnName"); console.log(name.value); } </script></head><body> <div id="div1"> <input type="text" id="btnId" name="btnName" /> <input typ...
document.getElementsByTagName("标签的名字"); getElementsByTagName()方法获取到的集合是动态集合,也就 是说,当页面增加了标签,这个集合中也会自动增加元素。 <body> <input type="button" value="改变" id="btn"> <div> <p>123</p> <p>123</p> <p>123</p> </div> <script> document.getElemen...
/*<input id="buttonid" type="button" value="按钮" onclick="alert('这是自动点击弹窗')" />*/ <script type="text/javascript"> setInterval(function() { if (document.all) { document.getElementById("buttonid").click(); } else { var e = document.createEvent("MouseEvents"); e.initEve...
1.1 <input type="text" name="test" id="test"> 通过var t=document.getElementById("test").value把值赋给变量t, 1.2 当然也可以反过来把已知的变量值赋给文本框,例如: var m = "5"; document.getElementById("test").value= m; 2.下拉列表框 ...
javascript解除禁止input输入框代码: function disable() { document.getElementById("user.name").disabled=""; document.getElementById("user.number").disabled=""; document.getElementById("user.age").disabled=""; document.getElementById("user.sex").disabled=""; document.getElementById("user.score...
getElementById("StartCount").onclick = timerStart; } // --> </script> </head> <body> <form name="myForm"> <input type="text" name="result"/><br/><br/> </form> <input type="button" id="StartCount" value="StartTime" onclick="timerStart()"/> <input type="button" value=...
(t,"input")&&Ae(t,"click",Ce),!1},trigger:function(e){var t=this||e;return pe.test(t.type)&&t.click&&A(t,"input")&&Ae(t,"click"),!0},_default:function(e){var t=e.target;return pe.test(t.type)&&t.click&&A(t,"input")&&Y.get(t,"click")||A(t,"a")}},...
var oBtn = document.getElementById("btn"); oBtn.onclick = function () { //alert(oBtn.data);//undefined alert(oBtn.getAttribute("data"));//JavaScript }; } </script> </head> <body> <input id="btn" type="button" value="获取" data="JavaScript"/> ...
{ev = ev || window.event;var mousePos = mousePosition(ev);document.getElementById('xxx').value = mousePos.x;document.getElementById('yyy').value = mousePos.y;}document.onmousemove = mouseMove;</script>X:<input id="xxx" type="text" /> Y:<inpu...