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基础知识:HTML
JavaScript就这么回事1:基础知识 1 创建脚本块 1: <script language=”JavaScript”> 2: JavaScript code goes here 3: </script> 2 隐藏脚本代码 1: <script language=”JavaScript”> 2: <!-- 3: document.write(“Hello”); 4: // --> 5: </script> 在不支持JavaScript  浏览器中将不执行相关代码 3 浏览器不支持 时候显示 1: <noscript> 2: Hello to the non-JavaScript browser. 3: </noscript> 4 链接外部脚本文件 1: <script language=”JavaScript” src="/”filename.js"”></script> 5 注释脚本 1: // This is a comment 2: document.write(“Hello”); // This is a comment 3: /* 4: All of this 5: is a comment 6: */ 6 输出到浏览器 1: document.write(“<strong>Hello</strong>”); 7 定义变量 1: var myVariable = “some value”; 8  串相加 1: var myString = “String1” + “String2”; 9 串搜索 1: <script language=”JavaScript”> 2: <!-- 3: var myVariable = “Hello there”; 4: var therePlace = myVariable.search(“there”); 5: document.write(therePlace); 6: // --> 7: </script> 10 串替换 1: thisVar.replace(“Monday”,”Friday”); 11 格式化字串 1: <script language=”JavaScript”> 2: <!-- 3: var myVariable = “Hello there”; 4: document.write(myVariable.big  + “<br>”); 5: document.write(myVariable.blink + “<br>”); 6: document.write(myVariable.bold + “<br>”); 7: document.write(myVariable.fixed + “<br>”); 8: document.write(myVariable.fontcolor(“red”) + “<br>”); 9: document.write(myVariable.fontsize(“18pt”) + “<br>”); 10: document.write(myVariable.italics + “<br>”); 11: document.write(myVariable.small + “<br>”); 12: document.write(myVariable.strike + “<br>”); 13: document.write(myVariable.sub + “<br>”); 14: document.write(myVariable.sup + “<br>”); 15: document.write(myVariable.toLowerCase + “<br>”); 16: document.write(myVariable.toUpperCase + “<br>”); 17: 18: var firstString = “My String”; 19: var finalString = firstString.bold .toLowerCase.fontcolor(“red”); 20: // --> 21: </script> 12 创建  1: <script language=”JavaScript”> 2: <!-- 3: var myArray =  Array(5); 4: myArray[0] = “First Entry”; 5: myArray[1] = “Second Entry”; 6: myArray[2] = “Third Entry”; 7: myArray[3] = “Fourth Entry”; 8: myArray[4] = “F  th Entry”; 9: var anotherArray = Array(“First Entry”,”Second Entry”,”Third Entry”,”Fourth Entry”,”Fth Entry”); 10: // --> 11: </script> 13 排序 1: <script language=”JavaScript”> 2: <!-- 3: var myArray = Array(5); 4: myArray[0] = “z”; 5: myArray[1] = “c”; 6: myArray[2] = “d”; 7: myArray[3] = “a”; 8: myArray[4] = “q”; 9: document.write(myArray.sort ); 10: // --> 11: </script> 14 分割 串 1: <script language=”JavaScript”> 2: <!-- 3: var myVariable = “a,b,c,d”; 4: var  Array = myVariable.split(“,”); 5: document.write( Array[0]); 6: document.write( Array[1]); 7: document.write( Array[2]); 8: document.write( Array[3]); 9: // --> 10: </script> 15 弹出警告信息 1: <script language=”JavaScript”> 2: <!-- 3: window.alert(“Hello”); 4: // --> 5: </script> 16 弹出确认框 1: <script language=”JavaScript”> 2: <!-- 3: var result = window.confirm(“Click OK to continue”); 4: // --> 5: </script> 17 定义  1: <script language=”JavaScript”> 2: <!-- 3: function multiple(number1,number2) { 4: var result = number1 * number2; 5:  result; 6: } 7: // --> 8: </script> 18  JS 1: <afunctionName" ”>Link text</a> 19 在页面加载完成后执行 1: <body _disibledevent= true) ? “OK” : “Cancel”; 5: document.write(result); 6: // --> 7: </script> 0
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