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Array.prototype.some() - Description. The some() method executes the callback function once for each element present in the array until it finds the one where callback returns a truthy value (a value that becomes true when converted to a Boolean). If such an element is found, some() immediately returns true .

Array - Neither the length of a JavaScript array nor the types of its elements are fixed. Since an array's length can change at any time, and data can be

Array.prototype.every() - The every() method tests whether all elements in the array pass the test implemented by the provided function. Note: This method returns true for any condition put on an empty array. true if the callback function returns a truthy value for every array element.

Array.prototype.includes() - The includes() method determines whether an array includes a certain value among its entries, returning true or false as appropriate.

Array.prototype.find() - The find() method returns the value of the first element in the array that satisfies the provided testing function. Otherwise undefined is returned.

Array.prototype.filter() - The filter() method creates a new array with all elements that pass the test implemented by the provided function.

Array.prototype - Array instances inherit from Array.prototype. As with all constructors, you can change the constructor's prototype object to make changes to all

JavaScript Array some() Method - More "Try it Yourself" examples below. Definition and Usage. The some() method checks if any of the elements in an array pass a test (provided as a function).

what is Array.any? for javascript - Javascript standard library is quite poor compared to ruby's isEmpty = function () { return !this.length; } Array.prototype.any .. See MDN.

10 JavaScript array methods you should know - In this post i will share 10 JavaScript array methods you should know. This method create new array by calling the provided function in every element. in the array (from left to right) to reduce it to a single value - MDN.

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