請教問題?。。?/h1>
<!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(dòng)態(tài)效果并實(shí)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(yùn)動(dòng)、cookie、正則表達(dá)式、ajax等課程。</p>
??</div>
??<form>
??<!--當(dāng)點(diǎn)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="on1()"/>??
????<input?type="button"?value="改變寬高"?onclick="on2()"/>
????<input?type="button"?value="隱藏內(nèi)容"?onclick=“on3()”/>
????<input?type="button"?value="顯示內(nèi)容"?onclick="on4()"/>
????<input?type="button"?value="取消設(shè)置"?onclick="on5()"/>
??</form>
??<script?type="text/javascript">
//定義"改變顏色"的函數(shù)
????var?pp=document.getElementById("con");
????function?on1()
????{
????????pp.style.color="red";
????????pp.style.backgroundColor="green";
????}
//定義"改變寬高"的函數(shù)
????function?on2()
????{
????????pp.style.width="300px";
????????pp.style.height="200px";
????}
//定義"隱藏內(nèi)容"的函數(shù)
????function?on3()
????{
????????pp.style.display="none";
????}
//定義"顯示內(nèi)容"的函數(shù)
????function?on4()
????{
????????pp.style.display="block";
????}
//定義"取消設(shè)置"的函數(shù)
function?on5()
????{
????????var?message=confirm("是否恢復(fù)樣式?");
????????if?(message==true)
????????{pp.removeAttribute("style")}
????????else{}
????}
????
??</script>
</body>
</html>
請教一下大神問什么運(yùn)行不了
<!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(dòng)態(tài)效果并實(shí)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(yùn)動(dòng)、cookie、正則表達(dá)式、ajax等課程。</p> ??</div> ??<form> ??<!--當(dāng)點(diǎn)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="on1()"/>?? ????<input?type="button"?value="改變寬高"?onclick="on2()"/> ????<input?type="button"?value="隱藏內(nèi)容"?onclick=“on3()”/> ????<input?type="button"?value="顯示內(nèi)容"?onclick="on4()"/> ????<input?type="button"?value="取消設(shè)置"?onclick="on5()"/> ??</form> ??<script?type="text/javascript"> //定義"改變顏色"的函數(shù) ????var?pp=document.getElementById("con"); ????function?on1() ????{ ????????pp.style.color="red"; ????????pp.style.backgroundColor="green"; ????} //定義"改變寬高"的函數(shù) ????function?on2() ????{ ????????pp.style.width="300px"; ????????pp.style.height="200px"; ????} //定義"隱藏內(nèi)容"的函數(shù) ????function?on3() ????{ ????????pp.style.display="none"; ????} //定義"顯示內(nèi)容"的函數(shù) ????function?on4() ????{ ????????pp.style.display="block"; ????} //定義"取消設(shè)置"的函數(shù) function?on5() ????{ ????????var?message=confirm("是否恢復(fù)樣式?"); ????????if?(message==true) ????????{pp.removeAttribute("style")} ????????else{} ????} ???? ??</script> </body> </html>
請教一下大神問什么運(yùn)行不了
2022-03-23
感謝您的支持System.out.println();表示輸出信息換行顯示System.out.print();表示不換行顯示
2017-02-06
2017-01-31
親,標(biāo)點(diǎn)寫錯(cuò)了
改成txt