JavaScript中confirm,alert,prompt的用法
本文简要介绍JavaScript中confirm,alert,prompt的用法,希望大家学习过程中能得到一些启发。
window.confirm 参数就只有一个。显示提示框的信息。按确定,返回true；按取消返回false。
< SCRIPT> var bln = window.confirm("确定吗?"); alert(bln) < /SCRIPT> window.alert参数，只有一个，显示警告框的信息；无返回值。
< SCRIPT> window.alert("确定。") window.prompt参数,有两个，第一个参数，显示提示输入框的信息。第二个参数,用于显示输入框的默认值。返回，用户输入的值。
< SCRIPT> var str = window.prompt("请输入密码","password") alert(str); < /SCRIPT>
相关文档：
Data Formats 数据格式
When considering data transmission techniques, you must take into account several factors: feature set, compatibility, performance, and direction (to or from the server). When considering data formats, the only scale you need for comparison is speed.
......
Use the Fast Parts 使用速度快的部分
Even though JavaScript is often blamed for being slow, there are parts of the language that are incredibly fast. This should come as no surprise, since JavaScript engines are built in lower-level languages and are therefore compiled. Thou ......
Working Around Caching Issues 关于缓存问题
Adequate cache control can really enhance the user experience, but it has a downside: when revving up your application, you want to make sure your users get the latest version of the static content. This is accomplished by renaming ......
由于火狐浏览器不支持“removeNode”函数，所以一下代码只支持IE.
<!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>
< ......
1 history.go(0)
2 location.reload() （页面进行刷新，但为disabled的元素的值不会被清空）
3 location=location
4 location.assign(location)
5 location.replace(location)
6 from..reset() (页面不进行刷新，模拟单击对所调用表单重置按钮的单击)
......
