发布于 2016-12-10 07:15:09 | 146 次阅读 | 评论: 0 | 来源: 网友投递
这里有新鲜出炉的Javascript教程，程序狗速度看过来！
JavaScript客户端脚本语言
Javascript 是一种由Netscape的LiveScript发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言，主要目的是为了解决服务器端语言，比如Perl，遗留的速度问题，为客户提供更流畅的浏览效果。
<html>
<head>
<style type="text/css">
#d1 {
position: absolute;
width: 300px;
height: 300px;
visibility: hidden;
color: #fff;
background: #555;
}
#d2 {
position: absolute;
width: 300px;
height: 300px;
visibility: hidden;
color: #fff;
background: #777;
}
#d3 {
position: absolute;
width: 150px;
height: 150px;
visibility: hidden;
color: #fff;
background: #999;
}
</style>
<script>
var d1, d2, d3, w, h;
window.onload = function() {
d1 = document.getElementById('d1');
d2 = document.getElementById('d2');
d3 = document.getElementById('d3');
back();
w = window.innerWidth;
h = window.innerHeight;
resizeCheck();
}
function resizeCheck() {
if (w != window.innerWidth || h != window.innerHeight) {
location.replace(location.href);
return;
}
setTimeout("resizeCheck()", 1000);
}
function back() {
divMoveTo(d1,200,50);
divMoveTo(d2,250,75);
divMoveTo(d3,75,75);
divZIndex(d1,1);
divZIndex(d2,2);
divZIndex(d3,3);
divBgColor(d1,'#555');
divBgColor(d2,'#777');
divBgColor(d3,'#999');
divTxtColor(d1,'#fff');
divTxtColor(d2,'#fff');
divTxtColor(d3,'#fff');
divShow(d1);
divShow(d2);
divShow(d3);
}
function color() {
divBgColor(d1,'#f02d2d');
divBgColor(d2,'#f040d1');
divBgColor(d3,'#55afe0');
divTxtColor(d1,'#fff');
divTxtColor(d2,'#fff');
divTxtColor(d3,'#fff');
}
function divMoveTo(d, x, y) {
d.style.pixelLeft = x;
d.style.pixelTop = y;
}
function divMoveBy(d, dx, dy) {
d.style.pixelLeft += dx;
d.style.pixelTop += dy;
}
function divShow(d) {
d.style.visibility = 'visible';
}
function divHide(d) {
d.style.visibility = 'hidden';
}
function divSizeTo(d, w, h) {
d.style.pixelWidth = w;
d.style.pixelHeight = h;
}
function divSizeBy(d, dw, dh) {
d.style.pixelWidth += dw;
d.style.pixelHeight += dh;
}
function divZIndex(d, z) {
d.style.zIndex = z;
}
function divBgColor(d, c) {
d.style.background = c;
}
function divTxtColor(d, c) {
d.style.color = c;
}
</script>
</head>
<body id="bodyId">
<form name="form1">
<h3>DHTML方法基础 - 对DIV的一些简单控制 BY 51js zdzhuo</h3>
<p>
<input type="button" value="移动d2" onclick="divMoveBy(d2,10,10)"><br>
<input type="button" value="移动d3到d2(0,0)" onclick="divMoveTo(d3,0,0)"><br>
<input type="button" value="移动d3到d2(75,75)" onclick="divMoveTo(d3,75,75)"><br>
</p>
<p>
<input type="button" value="放大d1" onclick="divSizeBy(d1,15,15)"><br>
<input type="button" value="缩小d1" onclick="divSizeBy(d1,-15,-15)"><br>
</p>
<p>
<input type="button" value="隐藏d2" onclick="divHide(d2)"><br>
<input type="button" value="显示d2" onclick="divShow(d2)"><br>
</p>
<p>
<input type="button" value="优先显示d1" onclick="divZIndex(d1,2);divZIndex(d2,1)"><br>
<input type="button" value="优先显示d2" onclick="divZIndex(d1,1);divZIndex(d2,2)"><br>
</p>
<p>
<input type="button" value="填充颜色" onclick="color()"><br>
</p>
<p>
<input type="button" value="返回默认状态" onclick="back()"><br>
</p>
</form>
<div id="d1">
<b>d1</b>
</div>
<div id="d2">
<b>d2</b><br><br>
d2包含d3
<div id="d3">
<b>d3</b><br><br>
d3是d2的子层
</div>
</div>
</body>
</html>