JavaScript 基础技巧(2)
14 分割字符串
1: <script language=”JavaScript”>
2: <!--
3: var myVariable = “a,b,c,d”;
4: var stringArray = myVariable.split(“,”);
5: document.write(stringArray[0]);
6: document.write(stringArray[1]);
7: document.write(stringArray[2]);
8: document.write(stringArray[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 定义函数
1: <script language=”JavaScript”>
2: <!--
3: function multiple(number1,number2) {
4: var result = number1 * number2;
5: return result;
6: }
7: // -->
8: </script>
18 调用JS函数
1: <a href=”#” onClick=”functionName()”>Link text</a>
2: <a href="/”javascript:functionName"()”>Link text</a>
19 在页面加载完成后执行函数
1: <body onLoad=”functionName();”>
2: Body of the page
3: </body>
20 条件判断
1: <script>
2: <!--
3: var userChoice = window.confirm(“Choose OK or Cancel”);
4: var result = (userChoice == true) ? “OK” : “Cancel”;
5: document.write(result);
6: // -->
7: </script>
21 指定次数循环
1: <script>
2: <!--
3: var myArray = new Array(3);
4: myArray[0]&
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var Tid;
var SetTime=4*60*60*1000; //设置毫秒数,1000毫秒为1秒
function LTime(){
var MyDiv=document.getElementById("mydiv");
var Time,TempTime,Days,Hours,Minutes,Seconds;
&n ......
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>间隔滚动图片</title>
<meta http-equiv= ......
keycode 8 = BackSpace BackSpace
keycode 9 = Tab Tab
keycode 12 = Clear
keycode 13 = Enter
keycode 16 = Shift_L
keycode 17 = Control_L
keycode 18 = Alt_L
keycode 19 = Pause
keycode 20 = Caps_Lock
keycode 27 = Escape Escape
keycode 32 = space space
keycode 33 = Prior
keycode 34 ......
在ie6中对于<input type="file"
/>通过obj.value是可以获取客户端选择文件的全路径的,但是到ie7就只能获取文件名,这对于onchange事件立即显示图片会有问题,可以用js方法解决
具体代码如下:
<html>
<head>
< ......
  ......