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remove a specific item from an array #js
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| let a = ['foo', 'bar', null, 'baz']; | |
| delete a[1]; // ['foo', undefined, null, 'baz'] | |
| a = a.filter(v => typeof v !== 'undefined'); // ['foo', null, 'baz'] | |
| a = a.filter(v => v != 'baz'); // ['foo', null] |
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