这里使用JS控制div属性变化,另Div的几何尺寸发生变化,例如变宽、变高、改变颜色、隐藏Div、重置所有属性为默认值等。虽然在本例中,这些属性值的改变很简单就可实现,但在JavaScript网页前端设计中,这种属性或方法经常会被用到,因此还是值得大家关注的。
运行效果截图如下:
在线演示地址如下:
具体代码如下:
<!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> <title>Javascript控制div属性变化</title> <style> #outer{width:500px;margin:0 auto;padding:0;text-align:center;} #div1{width:100px;height:100px;background:black;margin:10px auto;display:block;} </style> <script> var changeStyle = function (elem, attr, value) { elem.style[attr] = value }; window.onload = function () { var oBtn = document.getElementsByTagName("input"); var oDiv = document.getElementById("div1"); var oAtt = ["width","height","background","display","display"]; var oVal = ["200px","200px","red","none","block"]; for (var i = 0; i < oBtn.length; i++) { oBtn[i].index = i; oBtn[i].onclick = function () { this.index == oBtn.length - 1 && (oDiv.style.cssText = ""); changeStyle(oDiv, oAtt[this.index], oVal[this.index]) } } }; </script> </head> <body> <div> <input type="button" value="变宽" /> <input type="button" value="变高" /> <input type="button" value="改变颜色" /> <input type="button" value="隐藏" /> <input type="button" value="重置" /> <div></div> </div> </body> </html>