/Html/HOW TO SHOW A ERROR MESSAGE TO USERS IN HTML ON WEBSITE

HOW TO SHOW A ERROR MESSAGE TO USERS IN HTML ON WEBSITE

<HTML>
<HEAD>
<script>
function validate(){
  for(var i=1; i<=10; ++i) {
    alert(i);
    }
alert('there is nothing hard')
  }
</script>
</head>
<body>

<h2>JavaScript Validation</h2>

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