How to Count Elements in An Array | Find Number of Occurrences of a Number in an Array
How to count number of elements in array? Find the number of occurrences of a given element in an array using javascript. Write a function that finds the number of occurrences of a given element in an array using JavaScript. Here is a simple approach to calculate the number of occurrences of a given element in an array in JavaScript. Lets find number of occurrences of an element in an array in javascript.
Define a function which takes two parameters: an array and an element. Declare a variable count and initialize it to 0. Use a for loop to iterate over the elements in the array. The loop runs as many times as the length of given array. Loop variable i starts from 0 and increments by 1 on each iteration.
In the loop body, check if the current element of array is equal to the input element using the equality (===) operator. If the current element is equal to element, increment the value of count by 1 using the increment (++) operator. After the loop finishes, return the count value, which is the number of times the input element occurs in the given array.
Declare an array with values and a variable element. Call the function with array and element as inputs. Result will be number of times provided element occurs in array. You can also use string.
So this is how we can find the number of occurrences of a given element in an array using JavaScript.
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