初学网页javascript经典小教程总结 鹤山自由港社区无束缚更自在鹤山人的交友休闲娱乐综合社区Word文档格式.docx
《初学网页javascript经典小教程总结 鹤山自由港社区无束缚更自在鹤山人的交友休闲娱乐综合社区Word文档格式.docx》由会员分享,可在线阅读,更多相关《初学网页javascript经典小教程总结 鹤山自由港社区无束缚更自在鹤山人的交友休闲娱乐综合社区Word文档格式.docx(16页珍藏版)》请在冰豆网上搜索。
5:
在不支持javascript的浏览器中将不执行相关代码3浏览器不支持的时候显示1:
noscript&
Hellotothenon-javascriptbrowser.
/noscript&
4链接外部脚本文件1:
src="
/&
filename.js"
5注释脚本1:
//Thisisacomment
/*
Allofthis
isacomment
6:
*/6输出到浏览器1:
strong&
/strong&
7定义变量1:
varmyVariable=&
somevalue&
;
8字符串相加1:
varmyString=&
String1&
+&
String2&
9字符串搜索1:
Hellothere&
vartherePlace=myVariable.search(&
there&
document.write(therePlace);
7:
10字符串替换1:
thisVar.replace(&
Monday&
&
Friday&
11格式化字串1:
document.write(myVariable.big()+&
br&
document.write(myVariable.blink()+&
document.write(myVariable.bold()+&
document.write(myVariable.fixed()+&
8:
document.write(myVariable.fontcolor(&
red&
)+&
9:
document.write(myVariable.fontsize(&
18pt&
10:
document.write(myVariable.italics()+&
11:
document.write(myVariable.small()+&
12:
document.write(myVariable.strike()+&
13:
document.write(myVariable.sub()+&
14:
document.write(myVariable.sup()+&
15:
document.write(myVariable.toLowerCase()+&
16:
document.write(myVariable.toUpperCase()+&
17:
18:
varfirstString=&
MyString&
19:
varfinalString=firstString.bold().toLowerCase().fontcolor(&
20:
21:
12创建数组1:
varmyArray=newArray(5);
myArray[0]=&
FirstEntry&
myArray[1]=&
SecondEntry&
myArray[2]=&
ThirdEntry&
myArray[3]=&
FourthEntry&
myArray[4]=&
FifthEntry&
varanotherArray=newArray(&
13数组排序1:
z&
c&
d&
a&
q&
document.write(myArray.sort());
14分割字符串1:
a,b,c,d&
varstringArray=myVariable.split(&
document.write(stringArray[0]);
document.write(stringArray[1]);
document.write(stringArray[2]);
document.write(stringArray[3]);
15弹出警告信息1:
window.alert(&
16弹出确认框1:
varresult=window.confirm(&
ClickOKtocontinue&
17定义函数1:
functionmultiple(number1,number2){
varresult=number1*number2;
returnresult;
}
18调用JS函数1:
ahref=&
#&
onClick=&
functionName()&
Linktext&
/a&
ahref="
javascript:
functionName"
()&
19在页面加载完成后执行函数1:
bodyonLoad=&
functionName();
Bodyofthepage
/body&
20条件判断1:
script&
varuserChoice=window.confirm(&
ChooseOKorCancel&
varresult=(userChoice==true)?
OK&
:
Cancel&
document.write(result);
21指定次数循环1:
varmyArray=newArray(3);
Item0&
Item1&
Item2&
for(i=0;
i&
myArray.length;
i++){
document.write(myArray+&
22设定将来执行1:
functionhello(){
window.setTimeout(&
hello()&
5000);
23定时执行函数1:
24取消定时执行1:
varmyTimeout=window.setTimeout(&
window.clearTimeout(myTimeout);
25在页面卸载时候执行函数1:
bodyonUnload=&
javascript就这么回事2:
浏览器输出26访问document对象1:
varmyURL=document.URL;
window.alert(myURL);
27动态输出HTML1:
p&
Here&
#8217;
ssomeinformationaboutthisdocument:
/p&
ul&
li&
ReferringDocument:
+document.referrer+&
/li&
Domain:
+document.domain+&
URL:
+document.URL+&
/ul&
28输出换行1:
document.writeln(&
b&
29输出日期1:
varthisDate=newDate();
document.write(thisDate.toString());
30指定日期的时区1:
varmyOffset=-2;
varcurrentDate=newDate();
varuserOffset=currentDate.getTimezoneOffset()/60;
vartimeZoneDifference=userOffset-myOffset;
currentDate.setHours(currentDate.getHours()+timeZoneDifference);
ThetimeanddateinCentralEuropeis:
+currentDate.toLocaleString());
31设置日期输出格式1:
varthisTimeString=thisDate.getHours()+&
:
+thisDate.getMinutes();
varthisDateString=thisDate.getFullYear()+&
+thisDate.getMonth()+&
+thisDate.getDate();
document.write(thisTimeString+&
on&
+thisDateString);
32读取URL参数1:
varurlParts=document.URL.split(&
?
varparameterParts=urlParts[1].split(&
amp;
parameterParts.length;
varpairParts=parameterParts.split(&
=&
varpairName=pairParts[0];
varpairValue=pairParts[1];
document.write(pairName+&
:
+pairValue);
你还以为HTML是无状态的么?
33打开一个新的document对象1:
functionnewDocument(){
document.open();
ThisisaNewDocument.&
document.close();
34页面跳转1:
window.location=&
35添加网页加载进度窗口1:
html&
head&
scriptlanguage=‘javascript‘&
varplaceHolder=window.open(‘holder.html‘,‘placeholder‘,‘width=200,height=200‘);
title&
TheMainPage&
/title&
/head&
bodyonLoad=‘placeHolder.close()‘&
Thisisthemainpage&
/html&
javascript就这么回事3:
图像36读取图像属性1:
imgsrc="
image1.jpg"
name=&
myImage&
#&
window.alert(document.myImage.width)&
Width&
37动态加载图像1:
myImage=newImage;
myImage.src=&
Tellers1.jpg&
38简单的图像替换1:
rollImage=newImage;
rollImage.src=&
rollImage1.jpg&
defaultImage=newImage;
defaultImage.src=&
image1.jpg&
myUrl"
onMouseOver=&
document