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Javascript_初学第1天

發布時間：2025/7/14 java 59 豆豆

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1.文本框焦點問題
onBlur:當失去輸入焦點后產生該事件
onFocus:當輸入獲得焦點后，產生該文件
Onchange:當文字值改變時，產生該事件
Onselect:當文字加亮后，產生該文件

view sourceprint?

1	<input type="text" value="無憂之源" onfocus="if(value=='無憂之源') {value=''}" onblur="if (value=='') {value='無憂之源'}">

點擊時文字消失，失去焦點時文字再出現

2.網頁按鈕的特殊顏色

view sourceprint?

1	<input type=button name="Submit1" value="無憂之源" size=10 class="s02" style="background-color:rgb(235,207,22)">

3.鼠標移入移出時顏色變化

view sourceprint?

1	<input type="submit" value="找吧" name="B1" onMouseOut=this.style.color="blue" onMouseOver=this.style.color="red"? class="button">

4.平面按鈕

view sourceprint?

1	<input type=submit value=訂閱 style="border:1px solid :#666666; height:17px; width:25pt; font-size:9pt; BACKGROUND-COLOR: #E8E8FF; color:#666666" name="submit">

5.按鈕顏色變化

view sourceprint?

1	<input type=text name="nick"? style="border:1px solid #666666;? font-size:9pt;? height:17px; BACKGROUND-COLOR: #F4F4FF; color:#ff6600" size="15" maxlength="16">

6.平面輸入框

view sourceprint?

1	<input type="text" name="T1" size="20" style="border-style: solid; border-width: 1">

7.使窗口變成指定的大小

view sourceprint?

2	window.resizeTo(300,283);

</script>

8.使文字上下滾動

view sourceprint?

01	<marquee direction=up scrollamount=1 scrolldelay=100 onmouseover='this.stop()' onmouseout='this.start()' height=60>

02	<!-- head_scrolltext -->

<tr>

<td>

05	Asp.net源碼下載專業站

</td>

</tr>

</table>

09	????????<!-- end head_scrolltext -->

10	</marquee>

9.狀態欄顯示該頁狀態

view sourceprint?

1	<base onmouseover="window.status='網站建設 http://www.51aspx.com/' ;return true">

10.可以點擊文字實現radio選項的選定

view sourceprint?

<br>

2	<input type="radio" name="regtype" value="A03" id="A03">

3	<label for="A03"> Asp.net源碼下載專業站 : 一次注冊兩個帳戶</label> <br>

11.可以在文字域的font寫onclick事件

12.打印</a>打印網頁

view sourceprint?

1	<a href='javascript:window.print ()'>

13.線型輸入框

view sourceprint?

1	<input type="text" name="key"? size="12" value="關鍵字" onFocus=this.select() onMouseOver=this.focus() class="line">

14.顯示文檔最后修改日期

15.可以在鼠標移到文字上時就觸發事件

view sourceprint?

<html>

<head>

03	<script language="LiveScript">

04	<!-- Hiding

05	????function hello() {

06	??????alert("哈羅!");

????}

</script>

</head>

<body>

11	<a href="" onMouseOver="hello()">link</a>

</body>

</html>

16.可以根據網頁上的選項來確定頁面顏色

view sourceprint?

<HTML>

<HEAD>

03	<TITLE>background.html</TITLE>

</HEAD>

<!--?

07	function bgChange(selObj) {

08	newColor = selObj.options[selObj.selectedIndex].text;

09	document.bgColor = newColor;

10	selObj.selectedIndex = -1;

//-->

</SCRIPT>

14	<BODY STYLE="font-family:Arial">

15	<B>Changing Background Colors</B>

<BR>

<FORM>

18	??<SELECT SIZE="8" onChange="bgChange(this);">

19	??<OPTION>Red

20	??<OPTION>Orange

21	??<OPTION>Yellow

22	??<OPTION>Green

23	??<OPTION>Blue

24	??<OPTION>Indigo

25	??<OPTION>Violet

26	??<OPTION>White

27	<OPTION>pink

28	??</SELECT>

</FORM>

</BODY>

</HTML>

17.將按鈕的特征改變

view sourceprint?

1	<style type="text/CSS">

<!--

3	.style1 { font-size: 12px; background: #CCCCFF; border-width: thin thin thin thin; border-color: #CCCCFF?

4	#CCCCCC #CCCCCC #CCCCFF}

5	.style2 { font-size: 12px; font-weight: bold; background: #CCFFCC; border-width: thin medium medium thin;?

6	border-color: #CCFF99 #999999 #999999 #CCFF99}

-->

</style>

view sourceprint?

1	<input type="submit" name="Submit" value="提交" onmouseover="this.className='style2'" onmouseout="this.className='style1'" class="style1">

18.改變按鈕的圖片.

view sourceprint?

1	<style type="text/css">

<!--

3	.style3 { font-size: 12px; background: url(image/buttonbg1.gif); border: 0px; width: 60px; height: 22px}

4	.style4 { font-size: 12px; font-weight: bold; background: url(image/buttonbg2.gif); border: 0px 0; width:?

5	60px; height: 22px}

-->

</style>?

view sourceprint?

1	<input type="submit" name="Submit2" value="提交" onmouseover="this.className='style4'"?

2	onmouseout="this.className='style3'" class="style3">

19.打印頁面

view sourceprint?

1	<div align="center"><a class="content" href="javascript:doPrint();">打印本稿</a></div>

20.可以直接寫html語言

view sourceprint?

1	document.write("");

21.改變下拉框的顏色

view sourceprint?

1	<select name="classid" onChange="changelocation(document.myform.classid.options[document.myform.classid.selectedIndex].value)"?

2	size="1" style="color:#008080;font-size: 9pt">

22.轉至目標URL

view sourceprint?

1	window.location="http://www.51aspx.com"

23.傳遞該object的form

view sourceprint?

1	UpdateSN('51aspx99267',this.form)?

2	function UpdateSN(strValue,strForm)

{

4	??strForm.SignInName.value = strValue;

5	??return false;

}

24.文字標簽

view sourceprint?

1	<label for="AltName4"><input name="AltName" type="RADIO" tabindex="931"? id="AltName4" >51aspx</label>

25.layer2為組件的ID，可以控制組件是否可見

view sourceprint?

1	document.all.item('Layer2').style.display = "block";

2	document.all.item('Layer2').style.display = "none";//

26.將頁面加入favorite中

view sourceprint?

1	<script language=javascript>?

<!--?

3	function Addme(){?

4	url = "http://www.51aspx.com"; //你自己的主頁地址?

5	title = "Your Site Name"; //你自己的主頁名稱?

6	window.external.AddFavorite(url,title);?

-->?

8	</script>//

27.過10秒自動關閉頁面

view sourceprint?

1	< script language="JavaScript" >

2	function closeit() {

3	setTimeout("self.close()"，10000)

}

5	< /script >

28.可以比較字符的大小

view sourceprint?

1	char=post.charAt(i);

2	if(!('0'<=char&&char<='9'))

29.將字符轉化為數字

view sourceprint?

1	month = parseInt(char)

30.點擊value非空的選項時轉向指定連接

view sourceprint?

1	<select onchange='if(this.value!="")window.open(this.value)' class="textinput">

2	????<option selected>主辦單位</option>

3	????<option>-----------------</option>

4	????<option value="http://bbs.51aspx.com">無憂之源</option>

5	????<option value="http://www.ben.com.cn/">北京晚報</option>

</select>

31.改變背景顏色

view sourceprint?

1	<td width=* class="dp" bgColor=#FAFBFC onmouseover="this.bgColor='#FFFFFF';" onmouseout="this.bgColor='#FAFBFC';">

32.改變文字輸入框的背景顏色

view sourceprint?

<style>

2	.input2 {background-image: url('../images/inputbg.gif');? font-size: 12px; background-color: #D0DABB;border-top-width:1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}

</style>

4	<input name=content type=text size="47" class="input2" maxlength="50">

33.改變水平線的特征

view sourceprint?

1	<hr size="0" noshade color="#C0C0C0">

34.傳遞參數的方式

view sourceprint?

1	<a href="51aspx.aspx?CurPage=8&id=3488">8</a>

35.頁內跳轉

view sourceprint?

1	<a href="#1">1</a>

2	<a href="#2">2</a>

3	<a href="#3">3</a>

4	<a href="#4">4</a>

5	<a href="#5">5</a>

6	<a href="#6">6</a>

7	<a href="#7">7</a>

8	<a name="1">dfdf</a>

9	<a name="2">dfdf</a>//

36.兩個按鍵一起按下

view sourceprint?

1	if(event.ctrlKey && window.event.keyCode==13)//

37.刷新頁面

view sourceprint?

1	javascript:this.location.reload()//

38.將網頁的按鈕使能

view sourceprint?

01	<SCRIPT LANGUAGE="JavaScript">

02	function haha()

{

04	for(var i=0;i<document.form1.elements.length;i++)

{

06	??if(document.form1.elements[i].name.indexOf("bb")!=-1)

07	??document.form1.elements[i].disabled=!document.form1.elements[i].disabled;

}

</SCRIPT>

11	<BODY><form name=form1>

12	<INPUT TYPE="button" NAME="aa "? value=cindy onclick=haha()>

13	<INPUT TYPE="button" NAME="bb " value=51aspx>

14	<INPUT TYPE="button" NAME="bb " value=51aspx>

轉載于:https://www.cnblogs.com/DotNet-ChangTseng/archive/2011/03/28/1998040.html

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