Prime or not
by John Kiran
HTML
<p>
Prime Number or not
</p>
<input id="ipt" type="text">
<button id="btn">
Check
</button>
<p id='result'>
</p>
JavaScript
//get input element
let num = document.getElementById("ipt");
let para = document.getElementById("result");
//btn onclick prime or not
document.getElementById("btn").addEventListener("click", () => {
let number = num.value;
let count=1;
if(number>1) {
for(let i=2;i<=number/2;i++) {
if((number%i)==0) count++;
}
if(count>1) {
para.innerHTML ="Not a Prime";
} else {
para.innerHTML ="Prime Number";
}
} else {
para.innerHTML ="Enter number greater than 1";
}
}
);