javascript beginners tutorial 18 array methods

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sure! in this tutorial, we'll cover 18 essential array methods in javascript that every beginner should know. understanding these methods will help you manipulate and work with arrays more effectively.

1. *`push()`*
adds one or more elements to the end of an array and returns the new length of the array.



2. *`pop()`*
removes the last element from an array and returns that element.



3. *`shift()`*
removes the first element from an array and returns that element.



4. *`unshift()`*
adds one or more elements to the beginning of an array and returns the new length of the array.



5. *`splice()`*
changes the contents of an array by removing or replacing existing elements and/or adding new elements.



6. *`slice()`*
returns a shallow copy of a portion of an array into a new array object.



7. *`foreach()`*
executes a provided function once for each array element.



8. *`map()`*
creates a new array populated with the results of calling a provided function on every element in the calling array.



9. *`filter()`*
creates a new array with all elements that pass the test implemented by the provided function.



10. *`reduce()`*
executes a reducer function on each element of the array, resulting in a single output value.



11. *`find()`*
returns the value of the first element in the array that satisfies the provided testing function.



12. *`findindex()`*
returns the index of the first element in the array that satisfies the provided testing function.



13. *`includes()`*
determines whether an array includes a certain value among its entries.



14. *`indexof()`*
returns the first index at which a given element can be found in the array, or -1 if it is not present.



15. *`join()`*
joins all elements of an array into a string.



16. *`sort()`*
sorts the elements of an array in place and returns the sorted array.



17. *`reverse()`*
reverses the elements of an array in place.



18. *`concat()`*
used to merg ...

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