<!DOCTYPE?HTML>
<html>
<head>
<meta?http-equiv="Content-Type"?Content="text/html;?charset=utf-8"?/>
<title>javascript</title>
<style?type="text/css">
body{font-size:12px;}
#txt{
????height:400px;
????width:600px;
?border:#333?solid?1px;
?padding:5px;}
p{
?line-height:18px;
?text-indent:2em;}
</style>
</head>
<body>
??<h2?id="con">JavaScript課程</H2>
??<div?id="txt">?
?????<h5>JavaScript為網(wǎng)頁添加動態(tài)效果并實現(xiàn)與用戶交互的功能。</h5>
????????<p>1.?JavaScript入門篇，讓不懂JS的你，快速了解JS。</p>
????????<p>2.?JavaScript進(jìn)階篇，讓你掌握J(rèn)S的基礎(chǔ)語法、函數(shù)、數(shù)組、事件、內(nèi)置對象、BOM瀏覽器、DOM操作。</p>
????????<p>3.?學(xué)完以上兩門基礎(chǔ)課后，在深入學(xué)習(xí)JavaScript的變量作用域、事件、對象、運動、cookie、正則表達(dá)式、ajax等課程。</p>
??</div>
??<form>
??<!--當(dāng)點擊相應(yīng)按鈕，執(zhí)行相應(yīng)操作，為按鈕添加相應(yīng)事件-->
????<input?type="button"?value="改變顏色"?onclick="set.changeColor()">?
????<input?type="button"?value="改變寬高"?onclick="set.changesize()">
????<input?type="button"?value="隱藏內(nèi)容"?onclick="set.objhide()">
????<input?type="button"?value="顯示內(nèi)容"?onclick="set.objShow()">
????<input?type="button"?value="取消設(shè)置"?onclick="set.offSet()">
??</form>
??<script?type="text/javascript">
var?myi=document.getElementById("txt");
var?set={
????changeColor:function(){
????????myi.style.color="red";
????????myi.style.backgroundColor="#CCC";
}//定義"改變顏色"的函數(shù)
????changesize:function(){
????????myi.style.width="300px";
????????myi.style.height="400px";
????}
//定義"改變寬高"的函數(shù)
????objhide.function(){
????????myi.style.display="none";
}
//定義"隱藏內(nèi)容"的函數(shù)
????objShow.function(){
????????myi.style.display="block";
????}
//定義"顯示內(nèi)容"的函數(shù)
????offSet:function(){
????????var?message=confirm("你確定要重置所有設(shè)置么？");
????????if(message==true){
????????????myi.removeAttribute('style');
//定義"取消設(shè)置"的函數(shù)
????????}
????}
}
?
?
??</script>
</body>
</html>
2016-12-13