Answers for "find by text foreach js"

23

foreach jas

const array1 = ['a', 'b', 'c'];

array1.forEach(element => console.log(element));
Posted by: Guest on January-10-2020
8

forEach

const arraySparse = [1,3,,7]
let numCallbackRuns = 0

arraySparse.forEach((element) => {
  console.log(element)
  numCallbackRuns++
})

console.log("numCallbackRuns: ", numCallbackRuns)

// 1
// 3
// 7
// numCallbackRuns: 3
// comment: as you can see the missing value between 3 and 7 didn't invoke callback function.
Posted by: Guest on April-18-2020

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