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JavaScript parentNode: Dapatkan nod induk

Sintaks:
nodeObject.parentNode
di mana nodeObject ialah objek nod (nod elemen).

Contohnya, dapatkan nod induk nod dengan id="demo":

document.getElementById("demo").parentNode;

Contohnya, dapatkan the id="demo" " Nod induk nod: 

<div>
    <div id="demo">點擊這里獲取父節(jié)點</div>
</div>
<script type="text/javascript">
    document.getElementById("demo").onclick=function(){
        var demoParent=this.parentNode;
        alert(
            "父節(jié)點的名稱是："+demoParent.nodeName+"\n"+
            "父節(jié)點的類型是："+demoParent.nodeType
        );
    }
   
</script>

Sila lihat demonstrasi berikut:

QQ截圖20161013093529.png

Meneruskan pembelajaran
||
<!DOCTYPE HTML> <html lang="en-US"> <head> <meta charset="UTF-8"> <title>HTML DOM樹型結(jié)構(gòu)圖</title> <div> <div id="demo">點擊這里獲取父節(jié)點</div> </div> <script type="text/javascript"> document.getElementById("demo").onclick=function(){ var demoParent=this.parentNode; alert( "父節(jié)點的名稱是："+demoParent.nodeName+"\n"+ "父節(jié)點的類型是："+demoParent.nodeType ); } </script> </head> <body> </body> </html>