7 JavaScript Array methods which you 104% must know! π€¨π€¨π€¨
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1. array.map()
Using map(), we can iterate through all items in an array, taking actions on each one. The result of this operation is provided as a new array.
Using map(), we can iterate through all items in an array, taking actions on each one. The result of this operation is provided as a new array.
2. array.filter()
Using filter(), we can iterate through all items in an array and filter them depending on conditions inside a method. The result of this operation is provided as a new array.
Using filter(), we can iterate through all items in an array and filter them depending on conditions inside a method. The result of this operation is provided as a new array.
3. array.find()
Using find(), we can iterate through all items in an array and find the first one which meets conditions inside a method. The result of this operation is provided as a single item.
Using find(), we can iterate through all items in an array and find the first one which meets conditions inside a method. The result of this operation is provided as a single item.
4. array.some()
Using some(), we can iterate through all items in an array and check if at least one of them meets conditions inside a method. The result of this operation is provided as a boolean value.
Using some(), we can iterate through all items in an array and check if at least one of them meets conditions inside a method. The result of this operation is provided as a boolean value.
5. array.every()
Using every(), we can iterate through all items in an array and check if all of them meet conditions inside a method. The result of this operation is provided as a boolean value.
Using every(), we can iterate through all items in an array and check if all of them meet conditions inside a method. The result of this operation is provided as a boolean value.
6. array.sort()
Using sort(), we can sort items inside an array by conditions inside a method. The result of this operation is provided as the same array (NOT NEW ARRAY).
Using sort(), we can sort items inside an array by conditions inside a method. The result of this operation is provided as the same array (NOT NEW ARRAY).
7. array.reduce()
Using reduce(), you can do a lot of useful array manipulations. This method performs a concrete accumulative operation on its items to calculate a result value.
Using reduce(), you can do a lot of useful array manipulations. This method performs a concrete accumulative operation on its items to calculate a result value.
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