[JAVASCRIPT/자바스크립트] 배열, for

[JAVASCRIPT/자바스크립트] 배열, for_loop

Rolen 2022. 11. 18. 23:55

배열

<!DOCTYPE html>
<html>
<body>

<h2>JavaScript For Loop</h2>

<p id="demo"></p>

<script>

const cars = ["BMW", "Volvo", "Saab", "Ford", "Fiat", "Audi"];
    // 배열선언과 값을 저장

let text = "";
for (let i = 0; i < cars.length /*배열의 갯수 표시*/ ; i++)
{
  text += cars[i] + "<br>";
}

document.getElementById("demo").innerHTML = text;
</script>

</body>
</html>

FOR_LOOP

<!DOCTYPE html>
<html>
    <body>

        <h2>JavaScript For Loop</h2>
        
        <script>
            let sum = 0;
            let k = 0;
            for (let i = 1; i <= 3; i++)
            {
                for (let j = 1; j <= i; j++)
                {
                    k = k + 1;
                    sum = sum + k;
                }
                console.log(sum);
            }
        </script>

    </body>
</html>

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