Javascript-files/exampleerror.html at master · pradeep199896/Javascript-files · GitHub

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<!DOCTYPE>
<html>
    <head>
        <title>Check any error</title>
    </head>
    <body>
        <input type="text" id="demo"/>
        <button  type="button" onclick=mufuc()>CHECK</button>
        <p id="demo1"></p>
        <script>
            function mufuc()
            {
            var x;
            x=document.getElementById("demo").value;
            var message;
            message=document.getElementById("demo1");
            message.innerHTML="";
                try{
                    if(x=="") throw "enter something";
                    if(isNaN(x)) throw "enter number";
                    x=Number(x);
                    if(x<5) throw "number is low";
                    if(x>10) throw "numbre is high";
                }
                catch(err){
                    message.innerHTML="error of"+err;
                }
            }
            </script>
    </body>
</html>