javascript当中replaceChild的用法
例 1.6（replaceChildIEFF.html） <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> </HEAD> <BODY> <div id="contain"> <div id="a">a </div> <div id="b">b </div> <div id="c">c </div> </div> <script> var contain = document.getElementById("contain"); var b = document.getElementById("b"); var p = document.createElement("p");/*这句话后创建了一个<p>*/ p.innerHTML="pText"; /* Node.replaceChild() (Method) A means of replacing child objects with new nodes and discarding the old ones. The new node must be created using the createElement method. Property/method value type: Node object JavaScript syntax: - myNode.replaceChild(newNode, oldNode) Argument list: newNode The node to be placed into the hierarchy oldNode The node to be replaced */ contain.replaceChild( p , b ); </script> </BODY> </HTML>
更多请见：https://blog.csdn.net/qq_44594371/article/details/103064096
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