<script type="text/javascript">
document.write("可用宽度：" +window.screen.availWidth+"<br/>" );
document.write("可用高度：" +window.screen.availHeight );
</script>
document.write("可用宽度：" +window.screen.availWidth+"<br/>" );
document.write("可用高度：" +window.screen.availHeight );
</script>
2015-07-30
<script type="text/javascript">
document.write( "屏幕宽度："+window.screen.width+"<br/>");
document.write( "屏幕高度："+window.screen.height);
</script>
document.write( "屏幕宽度："+window.screen.width+"<br/>");
document.write( "屏幕高度："+window.screen.height);
</script>
2015-07-30
<script type="text/javascript">
document.write("浏览器名称："+navigator.appName+"<br>"+"浏览器平台及版本"+navigator.appVersion);
</script>
document.write("浏览器名称："+navigator.appName+"<br>"+"浏览器平台及版本"+navigator.appVersion);
</script>
2015-07-30
<script type="text/javascript">
document.write(location);
</script>
document.write(location);
</script>
2015-07-30
document.write(mylist.parentNode.parentNode.parentNode.lastChild.firstChild.nodeValue);
2015-07-30
function replaceMessage(){
var newnode = document.createElement("em");
var newnodeText=document.createTextNode("JavaScript");
newnode.appendChild(newnodeText);
var oldnode = document.getElementById("oldnode");
oldnode.parentNode.replaceChild(newnode,oldnode);
}
var newnode = document.createElement("em");
var newnodeText=document.createTextNode("JavaScript");
newnode.appendChild(newnodeText);
var oldnode = document.getElementById("oldnode");
oldnode.parentNode.replaceChild(newnode,oldnode);
}
2015-07-30
已采纳回答 / 果子李
innerHTML 属性innerHTML 属性用于获取或替换 HTML 元素的内容。语法:Object.innerHTML注意:1.Object是获取的元素对象，如通过document.getElementById("ID")获取的元素。2.注意书写，innerHTML区分大小写。
2015-07-29
do{
document.write("数字:"+mynum+"<br/>");
mynum=mynum-1;
}
while(mynum>=1)
document.write("数字:"+mynum+"<br/>");
mynum=mynum-1;
}
while(mynum>=1)
2015-07-29