➜ Change Text in <p>
document.getElementById("helloText").innerHTML='Hello ';
➜ onclick function
In HTML:
<element onclick="myScript">
In JavaScript:
object.onclick=function(){myScript};
In JavaScript, using the addEventListener() method:
object.addEventListener("click", myScript);
Note:
The addEventListener() method is not supported in Internet Explorer 8 and earlier versions.
<script>
function myFunction(e){
var x=e.currentTarget;
alert("The id of the triggered element: " + x.id);
}
</script>
</head>
<body>
<p id="p1" onclick="myFunction(event)">
Click on this paragraph. An alert box will
show which element triggered the event.</p>
➜ Change element class
http://stackoverflow.com/questions/195951/change-an-elements-css-class-with-javascript
To change all classes for an element:
To replace all existing classes with one or more new classes, set the className attribute:document.getElementById("MyElement").className = "MyClass";(You can use a space-delimited list to apply multiple classes.)To add an additional class to an element:
To add a class to an element, without removing/affecting existing values, append a space and the new classname, like so:document.getElementById("MyElement").className += " MyClass";To remove a class from an element:
To remove a single class to an element, without affecting other potential classes, a simple regex replace is required:document.getElementById("MyElement").className = document.getElementById("MyElement").className.replace ( /(?:^|\s)MyClass(?!\S)/g , '' ) /* code wrapped for readability - above is all one statement */
➜ .getElementsByClassName奇怪的沒辦法使用var A = document.getElementsByClassName("actived")[0]; 一定要分開使用 A[1]才可以，敲詭異的～➜ 改 title / 取 tag textdocument.title="XXX " + HTMLDOMObject.innerText;
