<html>
<style>
</style>
<body>
<h3> Positive and Negative Number Checker </h3>
<br/>Enter a Number
<input type="text" id="num_value" name="num_value" size="5">
<br><br>
<input type="submit" onclick="check_number()" value="Check Number"/>
<br><br>
<script>
function check_number() {
var num_value= document.getElementById("num_value").value;
if (num_value >0 ) {
document.write("Number is Positive");
}
else if(num_value < 0){
document.write("Number is Negative");
}
else {
document.write("Number is zero");
}
}
</script>
</body>
</html>
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