<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script>
function runme(){
var nowDate = new Date();
var year = nowDate.getYear();
var month = nowDate.getMonth();
var date = nowDate.getDate();
var hour = nowDate.getHours();
var min = nowDate.getMinutes();
var sec = nowDate.getSeconds();
var which = nowDate.getDay();
var finalString = year + "-" + month + "-" + date + " " + hour + ":" + min + ":" + sec;
switch (which) {
case 0:
which = "星期日";
break;
case 1:
which = "星期一";
break;
case 2:
which = "星期二";
break;
case 3:
which = "星期三";
break;
case 4:
which = "星期四";
break;
case 5:
which = "星期五";
break;
case 6:
which = "星期六";
break;
}
finalString = finalString + " " + which;
document.write(finalString);
}
window.setInterval("runme()", 100);
</script>
</head>
<body>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script>
function runme(){
var nowDate = new Date();
var year = nowDate.getYear();
var month = nowDate.getMonth();
var date = nowDate.getDate();
var hour = nowDate.getHours();
var min = nowDate.getMinutes();
var sec = nowDate.getSeconds();
var which = nowDate.getDay();
var finalString = year + "-" + month + "-" + date + " " + hour + ":" + min + ":" + sec;
switch (which) {
case 0:
which = "星期日";
break;
case 1:
which = "星期一";
break;
case 2:
which = "星期二";
break;
case 3:
which = "星期三";
break;
case 4:
which = "星期四";
break;
case 5:
which = "星期五";
break;
case 6:
which = "星期六";
break;
}
finalString = finalString + " " + which;
document.write(finalString);
}
window.setInterval("runme()", 100);
</script>
</head>
<body>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
</head>
<body>
<div id="time"></div>
<script>
function runme(){
var nowDate = new Date();
var year = nowDate.getYear();
var month = nowDate.getMonth();
var date = nowDate.getDate();
var hour = nowDate.getHours();
var min = nowDate.getMinutes();
var sec = nowDate.getSeconds();
var which = nowDate.getDay();
var finalString = year + "-" + month + "-" + date + " " + hour + ":" + min + ":" + sec;
switch (which) {
case 0:
which = "星期日";
break;
case 1:
which = "星期一";
break;
case 2:
which = "星期二";
break;
case 3:
which = "星期三";
break;
case 4:
which = "星期四";
break;
case 5:
which = "星期五";
break;
case 6:
which = "星期六";
break;
}
finalString = finalString + " " + which;
document.getElementById('time').innerHTML = finalString;
}
window.setInterval(function(){runme()}, 100);
</script>
</body>
</html>
document.write(finalString);因为document.write
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Untitled Document</title>
<script type="text/javascript">
function show(rowid){
alert(document.getElementById(rowid).id);
}
//有什么区别那
</script>
</head>
<body>
<input id="del" type="button" value="查看" onclick='show("del");'>
<input id="del" type="button" value="查看" onclick="show('del');">
</body>
</html>
就是 我这么写onclick='show("del");和onclick="show('del');"这么写都能调用这个函数 请问这两种写法有什么区别吗 帮帮忙谢谢您了
所以"del"跟'del'都是字符串~·只是要看你在html里要怎么写了,你html onclick=""要是用双引号,那js方法里面就用单引号这完全取决于你~·
function show
{
for(var i=0;i<10;i++)
{
document.write(i);
}
}
他也会输出 0-9啊 为什么事件那个就不行那 帮帮忙吧你 给解释一下
不是我不跟你说是这东西你最好自己去网上搜下有好多资料的。
自己看一遍比别人说10遍强~·为什么你上面这个可以执行。
因为document.write当页面第一次加载,也就是初始加载可以执行。当你在一个事件上,比如一个a标签上写一个onclick事件里面执行document.write你就会看到效果了,之前加载好的页面被document.write执行显示出来的语句覆盖了,也就是document.write会重新打开一个新文档,然后往里写内容,覆盖之前的文档
{
for(var i=0;i<10;i++)
{
document.write(i);
}
}这个当我点击onclick事件相当于执行了一次这个函数就出来0-9了然后时间函数那个 是相当于我每格100毫秒 就执行一次 然后 打开一个新文档 所以他只显示一次时间吗
嗯``可以这么理解,就是因为document.write会打开一个新的文档,
document.getElementById("test").innerHTML = finalString; <body id="test">
</body>
他就不会打开新的文档了吗 我脑子有点笨 请您在解释一下好吗 谢谢
innerHTML 不会~·它是改变当前文档,而不会新产生一个文档