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 foreach
var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});
array.foreach
const arr = [0, 3, "hola", "hello", ";", true, [3, 6, 1]];
arr.forEach((element, index) => {
console.log(element, index);
});
//output:
// 0 0
// 3 1
// hola 2
// hello 3
// ; 4
// true 5
// [3, 6, 1] 6
js for each item in array
const array1 = ['a', 'b', 'c'];
array1.forEach(element => console.log(element));
// expected output: "a"
// expected output: "b"
// expected output: "c"
javascript foreach example
var colors = ["red", "blue", "green"];
colors.forEach(function(color) {
console.log(color);
});
JavaScript Array Methods .forEach()
let days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'];
days.forEach(function log(day) {
console.log(day)
})
// ES6 verzió óta lehetséges az ún. "array function" használata
// az eredmény ugyanaz lesz, mint az előző szintaxissal
days.forEach(day => {
console.log(day)
});
// amikor a függvénytörzs egy sor, kapcsos zárójel és sortörés nélkül is
// írhatjuk a függvényt
days.forEach(day => console.log(day));
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