5.8.html

来自「javascript即用即差核心对象手册」· HTML 代码 · 共 14 行

HTML
14
字号
 <html>
 <title>delete运算符的用法</title>
 <head>
 <script>
	var num={x:0,y:1};
	document.write(delete num.x,"<br>");
document.write(typeof num.x,"<br>");
document.write(delete num.x,"<br>");
document.write(delete num,"<br>");
x=0;
document.write(delete x,"<br>");
 </script>
 </head>
 </html>

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