Filtering a dataset

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@bilisanas

$w.onReady(function () {
var newFilter = wixData.filter();
newFilter = newFilter.contains('name', "Cat");
$w('#dynamicDataset').setFilter(newFilter)
    $w('#dynamicDataset').onReady( () => {
        ;$w("#repeater1").expand()    
    }) 
})

This is the right format to do it.
first filter then dataset.onready