JAVASCRIPT · ОСНОВЫ · LESSON 13

Take one element.

Array index · about 12 minutes

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STEP 1

The score starts from scratch.

The first element of the array lies at address 0, the second at address 1.

const nums = [10, 20, 30];
console.log(nums[1]);

✦ There'll be 20.

STEP 2

In an array of three elements, there are addresses 0, 1 and 2. Address 3 is overseas.

const nums = [10, 20, 30];
console.log(nums[2]);

✦ That's the last number: 30.

IN-CLASS PRACTICE

Type an example manually. Check the names, brackets and signs.

const nums = [10, 20, 30];
console.log(nums[1]);

HOMEWORK

Create const fruits as an array of words «яблоко», «груша», «банан». Put the second fruit through its index.

The answer is hidden. Use similar examples from the lesson notes.