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ifelse.html
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ifelse.html
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<!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>Document</title>
</head>
<body>
<form action="#" name="form">
Please enter your marks <input type="text" value="" name="text1">
<input type="button" value="Click to check your grade" onclick="grade()">
</form>
<script>
function grade() {
if (document.form.text1.value >= 90) {
alert("A+");
} else if (document.form.text1.value >= 80) {
alert("A");
} else if (document.form.text1.value >= 70) {
alert("B+");
} else if (document.form.text1.value >= 60) {
alert("B");
} else {
alert("C")
}
}
</script>
</body>
</html>