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                            /JavaScript
                        
                        /JavaScript入門篇

想問問哪里有問題？？

<!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進階篇，讓你掌握JS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.?學完以上兩門基礎(chǔ)課后，在深入學習JavaScript的變量作用域、事件、對象、運動、cookie、正則表達式、ajax等課程。</p>??</div>??<form>??<!--當點擊相應(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="changeColor()">??????<input?type="button"?value="改變寬高"?onclik="changeWidth()">????<input?type="button"?value="隱藏內(nèi)容"?onclik="objHide()">????<input?type="button"?value="顯示內(nèi)容"?onclik="objShow()">????<input?type="button"?value="取消設(shè)置"?onclik="offSet()">??</form>??<script?type="text/javascript">????var?myC=document.getElementById("con");????var?myTxt=document.getElementById("txt");//定義"改變顏色"的函數(shù)????function?changeColor(){???????myTxt.style.color="red";???????myTxt.style.backgroundColor="#ccc";????}//定義"改變寬高"的函數(shù)????function?changeWidth(){????????myTxt.style.width="150px";????????myTxt.style.height="300px";	}//定義"隱藏內(nèi)容"的函數(shù)????function?objHide(){????????myTxt.style.display="none";????}//定義"顯示內(nèi)容"的函數(shù)????function?objShow(){????????myTxt.style.display="block";??????????}//定義"取消設(shè)置"的函數(shù)????function?offSet(){????????var?message=confirm("是否移除所有樣式？");????????if(message==true){????????????myTxt.removeAttribute("style");????????}else{????????????alert("再見！");????????}????}??</script></body></html>