How to check prime number in JavaScript?
You can follow my code step by step. And I hope Finally you can understand the logical matter to find prime number. so lets start step by step..
Step-1: write the following HTML code like:
<div class="content">
<div class="leftCol">
<input type="text" placeholder="number" id="InputNumber"/>
</div>
<div class="buttonCol">
<input type="button" value="Check" onclick="isPrime()"/>
</div>
<div class="rightCol">
<textarea placeholder="Show Output" rows="5" cols="24" id="outputNumber" disabled=""></textarea>
</div>
</div>
Step-2: write the following style code for style like:
<style>
.content{width: 600px;margin:20px auto;}
input,textarea{font-size:16px; padding:6px;}
.leftCol input{width:100%; margin-bottom:10px}
.buttonCol input{width:20%; margin-bottom:10px;}
.rightCol textarea{width:100%;);}
</style>
Step-3: And Finally write the following JavaScript code for find prime Number:
<script>
function isPrime(){
var n=document.getElementById('InputNumber').value;
var prime="This is prime number";
for(i=2;i<n;i++){
if(n%i==0){
prime="This is not a Prime Number";
break;
}// end if
}// end loop
show=document.getElementById('outputNumber').value=prime;
return show;
}//end function
</script>
Thanks for trying this logical problem solution tricks. Please like and share for inspire me for future new logical post.
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