1、strongHello”);7 定义变量var myVariable = “some value”;8 字符串相加var myString = “String1” + “String2”;9 字符串搜索var myVariable = “Hello there”;var therePlace = myVariable.search(“there”);document.write(therePlace);10 字符串替换thisVar.replace(“Monday”,”Friday”);11 格式化字串document.write(myVariable.big() + “document.wr
2、ite(myVariable.blink() + “document.write(myVariable.bold() + “document.write(myVariable.fixed() + “document.write(myVariable.fontcolor(“red”) + “document.write(myVariable.fontsize(“18pt”) + “document.write(myVariable.italics() + “document.write(myVariable.small() + “document.write(myVariable.strike(
3、) + “document.write(myVariable.sub() + “document.write(myVariable.sup() + “document.write(myVariable.toLowerCase() + “document.write(myVariable.toUpperCase() + “Link texta href=”/”javascript:functionName”()”19 在页面加载完成后执行函数body onLoad=”functionName();”Body of the page/body20 条件判断scriptvar userChoice
4、= window.confirm(“Choose OK or Cancel”);var result = (userChoice = true) ? “OK” : “Cancel”;document.write(result);21 指定次数循环var myArray = new Array(3);myArray0 = “Item 0”;myArray1 = “Item 1”;myArray2 = “Item 2”;for (i = 0; i myArray.length; i+) document.write(myArrayi + “Heres some information about
5、this document:/pulliReferring Document: “ + document.referrer + “Domain: “ + document.domain + “URL: “ + document.URL + “28 输出换行document.writeln(“adocument.writeln(“b”);29 输出日期var thisDate = new Date();document.write(thisDate.toString();30 指定日期的时区var myOffset = -2;var currentDate = new Date();var us
6、erOffset = currentDate.getTimezoneOffset()/60;var timeZoneDifference = userOffset myOffset;currentDate.setHours(currentDate.getHours() + timeZoneDifference);document.write(“The time and date in Central Europe is: “ + currentDate.toLocaleString();31 设置日期输出格式var thisTimeString = thisDate.getHours() +
7、“:” + thisDate.getMinutes();var thisDateString = thisDate.getFullYear() + “/” + thisDate.getMonth() + “/” + thisDate.getDate();document.write(thisTimeString + “ on “ + thisDateString);32 读取URL参数var urlParts = document.URL.split(“?var parameterParts = urlParts1.split(“& parameterParts.length;var pair
8、Parts = parameterPartsi.split(“=”);var pairName = pairParts0;var pairValue = pairParts1;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function newDocument() document.open();This is a New Document.headscript language=javaScriptvar placeHolder = window.open(holder.html,
9、placeholder,width=200,height=200);titleThe Main Page/headbody onLoad=placeHolder.close()This is the main pageJavaScript就这么回事3:图像36 读取图像属性img src=”/”image1.jpg” name=”myImage”a href=”# ” onClick=”window.alert(document.myImage.width)”Width39 随机显示图像var imageList = new Array;imageList0 = “image1.jpg”;im
10、ageList1 = “image2.jpg”;imageList2 = “image3.jpg”;imageList3 = “image4.jpg”;var imageChoice = Math.floor(Math.random() * imageList.length);document.write();40 函数实现的图像替换var source = 0;var replacement = 1;function createRollOver(originalImage,replacementImage) var imageArray = new Array;imageArraysour
11、ce = new Image;imageArraysource.src = originalImage;imageArrayreplacement = new Image;imageArrayreplacement.src = replacementImage;return imageArray;var rollImage = createRollOver(“image1.jpg”,”rollImage1.jpg”);a href=”#” onMouseOver=”document.myImage1.src = rollImage1replacement.src;onMouseOut=”doc
12、ument.myImage1.src = rollImage1source.src;img src=”/”image1.jpg” width=100 name=”myImage1” border=041 创建幻灯片imageList0 = new Image;imageList0.src = “image1.jpg”;imageList1 = new Image;imageList1.src = “image2.jpg”;imageList2 = new Image;imageList2.src = “image3.jpg”;imageList3 = new Image;imageList3.
13、src = “image4.jpg”;function slideShow(imageNumber) document.slideShow.src = imageListimageNumber.src;imageNumber += 1;if (imageNumber img src=”/”image1.jpg” width=100 name=”slideShow”42 随机广告图片var urlList = new Array;urlList0 = “http:/some.host/”;urlList1 = “http:/another.host/”;urlList2 = “http:/som
14、ewhere.else/”;urlList3 = “http:/right.here/”;a href=” + urlListimageChoice + “JavaScript就这么回事4:表单43 表单构成form method=”post” action=”target.html” name=”thisForm”input type=”text” name=”myText”select name=”mySelect”option value=”1”First Choiceoption value=”2”Second Choiceinput type=”submit” value=”Submit Me”/form44 访问表单中的文本框内容form name=”myForm”a href=# onClick=window.alert(document.myForm.myText.value);Check Text Field45 动态复制文本框内容
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