<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><title>JS打造实用的随屏滚动DIV层</title><style>html,body{padding:0;margin:0;}</style></head><bo...
<script type="text/javascript">window.onbeforeunload = function(){var scrollPos; if (typeof window.pageYOffset != 'undefined') {scrollPos = window.pageYOffset;}else if (typeof document.compatMo...
javascript 只允许输入数字有很多方法,总结如下1,只允许输入数字和小数点<input onKeypress="return (/[\d.]/.test(String.fromCharCode(event.keyCode)))" style="ime-mode:Disabled"> 2,判断的更详细一些,甚至22..2这样不算数字也判断得出来<script> &...
var ua = navigator.userAgent.toLowerCase();var isWeixin = ua.indexOf('micromessenger') != -1;var isAndroid = ua.indexOf('android') != -1;var isIos = (ua.indexOf('iphone') != -1) || (ua.indexOf(...
用js可以轻易解决这个问题.把以下文件保存成x.js function ResizeImage(objImage,maxWidth) { try{ if(maxWidth>0){ var objImg = $(objImage); if(objImg.width()>maxWidth){ objImg.width(maxWidth).css("cursor","pointer"...
<html><head><title>JS鼠标拖动翻页切换代码 - 开优网络</title><style type="text/css">html,body{width:100%;height:100%;border:0px;margin:0px;overflow:hidden;}#menu{width:1000px;height:500px;overflo...
1. 长度限制 <script>function test() {if(document.a.b.value.length>50){alert("不能超过50个字符!");document.a.b.focus();return false;}}</script><form name=a onsubmit="return test()"><text...
<script type="text/javascript"> var system ={ win : false, mac : false, xll : false }; var p = navigator.platform; // alert(p); ...
在网页插入优酷视频,或者SWF视频,总是浮在最上层浮动的div总是被object里的flash文件给盖住了 本以为只是z-index的问题,于是去修改div和object、embed的z-index值引用优酷视频 <embed src="/sid/XMjg5MjM4MDk2/v.swf" wmode="transparent" allowFullSc…
<script type="text/javascript">var timeout;$(function () {timeout = setInterval(showsykssj, 1000);})function showsykssj() {/*显示剩余考试时间*/var hour = 12; //结束时间var minite = 0;var second = 0;var date1 = new ...