I want to write a program that receives a list of numbers, converts them into an array, and output the even numbers in the array with Modulus Operator and For Loop.
The code does not run as expected:
JavaScript
x
11
11
1
function even_num(){2
var submission = prompt("Enter Numbers:", ""); // receive list of numbers 3
var subarray = submission.split(''); // convert to array4
5
for(var i =1; i < subarray.length; i++){6
7
if( subarray[i] % 2 != 0){8
document.getElementById("return").innerHTML += subarray[i] + ",";9
}10
}11
}JavaScript
1
2
1
<button onclick="even_num()">Even Number in an Array</button>2
<p id = "return"></p>Thank you
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Answer
It’s a matter of incorrect condition.
i % 2 would give 0 for even numbers
JavaScript
1
11
11
1
function even_num() {2
let submission = prompt("Enter Numbers:", "");3
let subarray = submission.split('');4
const result = document.getElementById("return");5
result.innerHTML = '';6
for (var i = 0; i < subarray.length; i++) {7
if (subarray[i] % 2 == 0) {//Condition here was incorrect8
result.innerHTML += subarray[i] + ",";9
}10
}11
}JavaScript
1
5
1
<html>2
<button onclick="even_num()">Even Number in an Array</button>3
<p id="return"></p>4
5
</html>