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JavaScript typedArray.forEach() Method

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The typedArray.forEach() is an inbuilt function in JavaScript which executes a given function once for each given typedArray element. 



Parameter: It accepts a parameter “callback” function which produces each element of the new typedArray and this function takes three parameters that are specified below-

  • currentValue: It is the value of the current element which is being processed in the typedArray.
  • index: It is the index of the current element being processed in the array.
  • array: It is the array on which the forEach() function is being called.

Return Value: It does not return anything. 



// Constructing some typedArray
const A = new Uint8Array([ 1, 3, 5, 7 ])
const B = new Uint8Array([ 2, 4, 6, 8 ])
// Calling callback function
function callback(element, index, array) {
    console.log('a[' + index + '] = ' + element);
// Calling forEach() function


a[0] = 1
a[1] = 3
a[2] = 5
a[3] = 7
a[0] = 2
a[1] = 4
a[2] = 6
a[3] = 8
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Last Updated : 10 Feb, 2023
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