for each js
const fruits = ['mango', 'papaya', 'pineapple', 'apple'];
// Iterate over fruits below
// Normal way
fruits.forEach(function(fruit){
console.log('I want to eat a ' + fruit)
});
for each js
const fruits = ['mango', 'papaya', 'pineapple', 'apple'];
// Iterate over fruits below
// Normal way
fruits.forEach(function(fruit){
console.log('I want to eat a ' + fruit)
});
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.
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