运行下列JavaScript代码,则弹出的对话框中显示的数值是多少? var a=(5>9)?56:80; alert(a);
A.5
B.9
C.56
D.80
A.5
B.9
C.56
D.80
<script language="JavaScript"type="text/JavaScript">
var my_array=new Array();
for (i=5;i<=10;i++){
my_array[i]=i;
document.write(my_array[i]+"<br>");
}
</script>
A.在页面分行显示数字5~9 B.在页面分行显示数字5~10
C.在页面一行显示数字5~9 D.在页面什么也不显示
"); document.write ("456");
A、for (document) { write ("123
"); write ("456"); }
B、with (document) { write ("123
"); write ("456"); }
C、foreach (document) { write ("123
"); write ("456"); }
D、while (document) { write ("123
"); write ("456"); }
A、function a(x) { var y=Math.PI*x; } var ao=new a(2);
B、function a(x) { this.X=x*x; } var ao=new a(2);
C、function a(x) { this.X=x*x; } var ao=a(2);
D、function a(x) { var y=Math.PI*x; } var ao=a(2);
A、document.getElementsByTagName("p")
B、document.getElementsByTagName("p")[0]
C、document.getElementByTagName("p")
D、document.getElementByTagName("p")[0]
A、navigator.version
B、window.version
C、navigator.userAgent
D、window.userAgent
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