Adding an item to a repeater with code

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I figured it out! The issue was that _id needed to be a string. I tried converting them to strings by going ‘’ + itemNumber, and suddenly it worked!

//------------ NEW ITEM TO REPEATER

$w.onReady(function () {

    var itemNumber = 1;
    const itemData = [{
            _id: '' + itemNumber,
            name: 'Amy Allen',
            title: 'CEO',
            image: 'https://static.wixstatic.com/media/4e87e18894e24c238e5724b887362eeb.jpg'
        },
    ];

    $w("#anecdoteRepeater").data = itemData;

    $w("#addAnecdote").onClick(() => {
        console.log("Clicked");
        // Increment the itemNumber variable
        itemNumber = itemNumber + 1;

        // Create a new item data object with default values
        const newItemData = {
            _id: '' + itemNumber,
            name: '',
            title: '',
            image: ''
        };

        // Push the new item data to the itemData array
        itemData.push(newItemData);
        console.log(itemData);

        // Set the updated itemData array as the repeater's data
        $w("#anecdoteRepeater").data = itemData;
    });
});