<html>
<head>
<title> Exercice 6</title>
</head>
<body>
<h1>Hello</h1>
<script language= "java script">

var N=prompt("Choisissez entre: 1-addition et 2-multiplication","");
if (N==1) {
     document.write("<table border="2" align="center" rules="alls">");
            for (var i = 0; i<=9 ; i++) {
            document.write("<tr>");
            for (var j=0; j<=9; i++) {
                 var s=i+j;
                document.write("<td>"+s+"</td>");
            if (j%3==0) {
                document.write("</tr>");
            }
                }
                    }                           
        } else {
    document.write("<table border="2" align="center" rules="alls">");
            for (var i = 0; i<=9 ; i++) {
            document.write("<tr>");
            for (var j=0; j<=9; i++) {
                var m=i*j;
                document.write("<td>"+m+"</td>");
            if (j%3==0) {
                document.write("</tr>");
            }
                }
                    }
}

</script>

</body>
</html>

Seems something is missing from your discussion. The formatting fails and a lack of the question you might have leaves me to ask what you do you need now?

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.