javascript如何改变cssText
1.改变cssText
例 2.1
<HTML>
<head>
??? <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
</HEAD>
<BODY>
<SPAN ID="a" STYLE="background-color:RED">ONE</SPAN>
<SPAN ID="b" STYLE="background-color:BLUE">TWO</SPAN>
<FORM>
??? <INPUT TYPE="button" VALUE="点 ME" onClick="clickMe()">
</FORM>
<SCRIPT>
??? function clickMe()
??? {
??????? var mySp = document.getElementsByTagName("SPAN");
??????? /*
???????? style.cssText (Property)
???????? The CSS style sheet specification source text for this style object.
???????? Property/method value type: String primitive
???????? JavaScript syntax: IE myStyle.cssText
???????? the following statement's result is mySpans[mySpans.length-1].style.cssText="background-color:BLUE"
???????? */
??????? mySt1 = mySp[mySp.length-1].style.cssText;
//alert( "mySpans[mySpans.length-1].style.cssText is"+mySpans[mySpans.length-1].style.cssText);
??????? mySp[0].style.cssText = mySt1;
??? }
</SCRIPT>
</BODY>
</HTML>
更多请见：https://blog.csdn.net/qq_43650923/article/details/102805095
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