<script language="javascript" type="text/javascript">
<scriptlanguage="javascript"type="text/javascript">vara=30;document.write('<imgsrc="1...
<script language="javascript" type="text/javascript">
var a=30;
document.write('<img src="11.jpg" >');
for(a=30;a<=35;a++)
{
if(a%2==0)
document.write("<img src="w.ico" width=",a," % height=",3*a," %>");
else
document.write("<img src="x.ico" width=",a,"% height=",3*a," %>");
}
</script> 展开
var a=30;
document.write('<img src="11.jpg" >');
for(a=30;a<=35;a++)
{
if(a%2==0)
document.write("<img src="w.ico" width=",a," % height=",3*a," %>");
else
document.write("<img src="x.ico" width=",a,"% height=",3*a," %>");
}
</script> 展开
1个回答
展开全部
意思是指:生成一个图片,根据数字的奇偶,输出不同的图片,同时,宽度和高度根据数字进行变化;
不过有个问题:
document.write("<img src="w.ico" width=",a," % height=",3*a," %>");//这里不太对
document.write("<img src="w.ico" width="'+a+'%" height="'+a+'%" />");//应该是这样吧。a是一个变量
//变量不能直接放的,通过单引号或双引号区分出来。
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