43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
"use strict";
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const isPrimeNumber = (number) => {
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let isPrime = (number < 2) ? false: true; // set default return value
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for (let i = 2; i < number; i++) {
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if ( number % i === 0 ) {
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isPrime = false;
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break;
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}
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}
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return isPrime;
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};
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$(document).ready( () => {
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$("#calculate").click( () => {
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const number = parseInt( $("#number").val() );
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if ( isNaN(number) ) {
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$("#message").text( "Please enter a number." );
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} else {
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$("#message").text("");
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for (let i = 1; i <= number; i++) {
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const isPrime = isPrimeNumber(i);
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if (isPrime) {
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$("#message").text( $("#message").text() + i + " " );
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} else {
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continue;
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}
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}
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// const isPrime = isPrimeNumber( number );
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// if ( isPrime === true ) {
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// $("#message").text( number + " is a prime number." );
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// } else {
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// $("#message").text( number + " is NOT a prime number." );
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// }
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}
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$("#number").focus();
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$("#number").select();
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});
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$("#number").focus();
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}); |