JS九九乘法表
<div id="d1"></div>
<script>
ret='九九乘法表<br>'
for(a=1;a<=9;a++){
for(i=1;i<=a;i++){
ret+=a+"x"+i+"="+a*i+" "
}
ret+="<br>"
}
function show(txt){
d1=document.getElementById('d1')
d1.innerHTML=txt
}
show(ret);
</script>