How can I filter nested arrays in JavaScript?
An example of an AI chatbot conversation about filtering nested arrays in JavaScript.
How can I filter nested arrays in JavaScript?
You can use the Array.prototype.filter() method along with Array.prototype.map() to filter nested arrays.
Can you show me an example?
Sure! Here's a simple example:
const data = [
{ id: 1, items: [1, 2, 3] },
{ id: 2, items: [4, 5, 6] },
{ id: 3, items: [7, 8, 9] }
];
const filtered = data.map(obj => ({
...obj,
items: obj.items.filter(item => item > 5)
}));
console.log(filtered);
What will the output be for that example?
The output will be:
[
{ id: 1, items: [] },
{ id: 2, items: [6] },
{ id: 3, items: [7, 8, 9] }
]
Thanks! This is really helpful.
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