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jq01.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>九九乘法表</title>
<script>

var i,j;
for(i = 1; i <= 9;i++){
    for (j = 1; j <= i; j++){
        document.write(j + "*" + i + "=" + (j*i) + "&nbsp&nbsp&nbsp");
    }
    document.write("<br>")


}

</script>
</head>