javascript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})
javascript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})
javascript for
let str = "";
for (let i = 0; i < 9; i++) {
str = str + i;
}
console.log(str);
// expected output: "012345678"
for of loop javascript
const array1 = ['a', 'b', 'c'];
for (const element of array1) {
console.log(element);
}
// expected output: "a"
// expected output: "b"
// expected output: "c"
javascript .foreach
let colors = ['red', 'blue', 'green'];
// idx and sourceArr optional; sourceArr == colors
colors.forEach(function(color, idx, sourceArr) {
console.log(color, idx, sourceArr)
});
// Output:
// red 0 ['red', 'blue', 'green']
// blue 1 ['red', 'blue', 'green']
// green 2 ['red', 'blue', 'green']
javascript foreach
const colors = ['blue', 'green', 'white'];
function iterate(item) {
console.log(item);
}
colors.forEach(iterate);
// logs "blue"
// logs "green"
// logs "white"
forEach javascript
const fruits = ['mango', 'papaya', 'pineapple', 'apple'];
fruits.forEach(function(fruit){
console.log('I want to eat a ' + fruit)
});
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