t2a19-leet-leelin.html

📌 Assignment Instructions

Ask ChatGPT for a beginner friendly JavaScript LeetCode question
Record the question on this webpage
Write your own solution inside PRE tags
Ask ChatGPT to make a single-file HTML + JavaScript answer with no CSS

🧠 My Prompt to ChatGPT

"Give me a beginner-friendly JavaScript LeetCode-style problem
that uses arrays and a loop, and explain it simply."

❓ LeetCode-Style Question

Problem:
Given an array of numbers, return the sum of all the numbers in the array.

Example:
Input: [1, 2, 3, 4]
Output: 10

Explanation:
Add all the numbers together and return the total.

✍️ My Solution (Before Looking at the Answer)

function sumArray(nums) {
    let total = 0;

    for (let i = 0; i < nums.length; i++) {
        total += nums[i];
    }

    return total;
}

// Example test
console.log(sumArray([1, 2, 3, 4]));

🤖 ChatGPT Working Code (Single File, No CSS)

<!DOCTYPE html>
<html>
<head>
<title>Sum Array</title>
</head>
<body>

<h2>Sum of Array Example</h2>

<script>
function sumArray(nums) {
    let sum = 0;
    for (let num of nums) {
        sum += num;
    }
    document.write("Sum: " + sum);
}

sumArray([1, 2, 3, 4]);
</script>

</body>
</html>