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Peter Mortensen
Peter Mortensen
  • 31.3k
  • 22
  • 109
  • 132

in javascriptIn JavaScript, there are so many solutions to loop an array. these

The code below are popular ones

/** declareDeclare inputs */
const items = ['Hello', 'World']

/** solutionSolution 1. simpleSimple for */
console.log('solution 1. simple for')

for (let i = 0; i < items.length; i++) {
  console.log(items[i])
}

console.log()
console.log()

/** solutionSolution 2. simpleSimple while */
console.log('solution 2. simple while')

let i = 0
while (i < items.length) {
  console.log(items[i++])
}

console.log()
console.log()

/** solutionSolution 3. forEach*/
console.log('solution 3. forEach')

items.forEach(item => {
  console.log(item)
})

console.log()
console.log()

/** solutionSolution 4. for-of*/
console.log('solution 4. for-of')

for (const item of items) {
  console.log(item)
}

console.log()
console.log()

in javascript, there are so many solutions to loop array. these code below are popular ones

/** declare inputs */
const items = ['Hello', 'World']

/** solution 1. simple for */
console.log('solution 1. simple for')

for (let i = 0; i < items.length; i++) {
  console.log(items[i])
}

console.log()
console.log()

/** solution 2. simple while */
console.log('solution 2. simple while')

let i = 0
while (i < items.length) {
  console.log(items[i++])
}

console.log()
console.log()

/** solution 3. forEach*/
console.log('solution 3. forEach')

items.forEach(item => {
  console.log(item)
})

console.log()
console.log()

/** solution 4. for-of*/
console.log('solution 4. for-of')

for (const item of items) {
  console.log(item)
}

console.log()
console.log()

In JavaScript, there are so many solutions to loop an array.

The code below are popular ones

/** Declare inputs */
const items = ['Hello', 'World']

/** Solution 1. Simple for */
console.log('solution 1. simple for')

for (let i = 0; i < items.length; i++) {
  console.log(items[i])
}

console.log()
console.log()

/** Solution 2. Simple while */
console.log('solution 2. simple while')

let i = 0
while (i < items.length) {
  console.log(items[i++])
}

console.log()
console.log()

/** Solution 3. forEach*/
console.log('solution 3. forEach')

items.forEach(item => {
  console.log(item)
})

console.log()
console.log()

/** Solution 4. for-of*/
console.log('solution 4. for-of')

for (const item of items) {
  console.log(item)
}

console.log()
console.log()

Source Link
Alongkorn
Alongkorn
  • 4.1k
  • 1
  • 26
  • 43

in javascript, there are so many solutions to loop array. these code below are popular ones

/** declare inputs */
const items = ['Hello', 'World']

/** solution 1. simple for */
console.log('solution 1. simple for')

for (let i = 0; i < items.length; i++) {
  console.log(items[i])
}

console.log()
console.log()

/** solution 2. simple while */
console.log('solution 2. simple while')

let i = 0
while (i < items.length) {
  console.log(items[i++])
}

console.log()
console.log()

/** solution 3. forEach*/
console.log('solution 3. forEach')

items.forEach(item => {
  console.log(item)
})

console.log()
console.log()

/** solution 4. for-of*/
console.log('solution 4. for-of')

for (const item of items) {
  console.log(item)
}

console.log()
console.log()