for循环99乘法表
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>循环练习</title>
</head>
<body>
//for循环实现99乘法表<br />
</body>
<script>
//99乘法表for循环
for(i=1;i<10;i++)
{
for(j=1;j<=i;j++){
document.write(j+"*"+i)
document.write(" ")
}
document.write('<br />')
}
//break和continen关键字
// break终止当前循环
// continue跳过本次循环
for(i=0;i<15;i++){
if(i==2){
continue;
}
console.log(i)
}
</script>
</html>