Array findindex() Method

Basic JavaScript Array Methods:

There are some Basic JavaScript array methods that every developer should know are:...

1. Array some() Method:

This method checks whether at least one of the elements of the array satisfies the condition checked by the argument function....

2. Array reduce() Method:

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3. Array map() Method:

The array reduce() method in JavaScript is used to reduce the array to a single value and executes a provided function for each value of the array (from left to right) and the return value of the function is stored in an accumulator....

4. Array every() Method:

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5. Array flat() Method:

The map() method in JavaScript creates an array by calling a specific function on each element present in the parent array. It is a non-mutating method. Generally, the map() method is used to iterate over an array and call the function on every element of an array....

6. Array flatMap() Method:

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7. Array filter() Method:

This method checks whether all the elements of the array satisfy the given condition or not that is provided by a function passed to it as the argument....

8. Array findindex() Method:

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9. Array find() Method:

This method creates a new array that contains more than arrays. Basically creates a simple array from an array that contains multiple arrays....

10. Array fill() Method:

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11. Array forEach() Method:

This method is used to flatten the input array element into a new array. This method first of all map every element with the help of a mapping function, then flattens the input array element into a new array....

14. Array includes() Method:

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