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Javascript控制div屬性動態變化執行個體分析，div執行個體分析
本文執行個體分析了Javascript控制div屬性動態變化的方法。分享給大家供大家參考。具體如下：
這裡使用JS控制div屬性變化，另Div的幾何尺寸發生變化，例如變寬、變高、改變顏色、隱藏Div、重設所有屬性為預設值等。雖然在本例中，這些屬性值的改變很簡單就可實現，但在JavaScript網頁前端設計中，這種屬性或方法經常會被用到，因此還是值得大家關注的。
運行效果如下：
線上示範地址如下：
http://demo.jb51.net/js/2015/js-cha-div-opt-demo/
具體代碼如下：
<!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屬性變化</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 id="outer"><input type="button" value="變寬" /><input type="button" value="變高" /><input type="button" value="改變顏色" /><input type="button" value="隱藏" /><input type="button" value="重設" /><div id="div1"></div></div></body></html>
希望本文所述對大家的JavaScript程式設計有所協助。
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