array for each in javascript code example
Example 1: javascript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})
Example 2: For-each over an array in JavaScript
var a = ["a", "b", "c"];
a.forEach(function(entry) {
console.log(entry);
});
var index;
var a = ["a", "b", "c"];
for (index = 0; index < a.length; ++index) {
console.log(a[index]);
}
var key;
var a = [];
a[0] = "a";
a[10] = "b";
a[10000] = "c";
for (key in a) {
if (a.hasOwnProperty(key) &&
/^0$|^[1-9]\d*$/.test(key) &&
key <= 4294967294
) {
console.log(a[key]);
}
}
const a = ["a", "b", "c"];
for (const val of a) {
console.log(val);
}
const a = ["a", "b", "c"];
const it = a.values();
let entry;
while (!(entry = it.next()).done) {
console.log(entry.value);
}
Example 3: js for each item in array
const array1 = ['a', 'b', 'c'];
array1.forEach(element => console.log(element));
Example 4: javascript .foreach
let colors = ['red', 'blue', 'green'];
colors.forEach(function(color, idx, sourceArr) {
console.log(color, idx, sourceArr)
});
Example 5: JavaScript Array Methods .forEach()
let days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'];
days.forEach(function log(day) {
console.log(day)
})
days.forEach(day => {
console.log(day)
});
days.forEach(day => console.log(day));