Question

javaScript程序执行结果

1.
var i=32;
var j=33;
alert(i+j);
alert(i+ "-" +j);

2.
var i=1;
while(i<=6){
document.write("<hr/>");
i+=2;
}

3.下列语句执行完毕后，变量product的值是？
var product="21" *"2";

4.
var n=17;
binary_string=n.toString(2);
octal_string="0" +n.toString(8);
hex_string="0x" +n.toString(16);
其中binary_string,octal_string和hex_string存储值依次是？

对的话马上给分

Answer 1

65
32-33

7

42

10001
021
0x11

<script type="text/javascript">
var i=32;
var j=33;
document.write(i+j);
document.write("<br>");
document.write(i+ "-" +j);
document.write("<br>");
var i=1;
while(i<=6){
i+=2;
}
document.write(i);
document.write("<br>");
var product="21" *"2";
document.write(product);
document.write("<br>");
var n=17;
binary_string=n.toString(2);
octal_string="0" +n.toString(8);
hex_string="0x" +n.toString(16);
document.write(binary_string);
document.write("<br>");
document.write(octal_string);
document.write("<br>");
document.write(hex_string);
document.write("<br>");
</script>

Answer 2

1、alert显示框 65 和 显示框 32-65
2、循环4次，输出四次水平线
3、 false
4、将17转成2进制为10001
8进制021
16进制0x11