面试中发现经常问数组的方法,在此作总结
var ages = [32, 33, 16, 40];
function checkAdult(age) {
return age >= 18;
}
(function myFunction() {
console.log(ages.every(checkAdult));
})()
var ages = [32, 33, 16, 40];
function checkAdult(age) {
return age >= 18;
}
function myFunction() {
console.log(ages.some(checkAdult));
}
var numbers = [4, 9, 16, 25];
function myFunction(item, index) {
console.log(index,item);
}
numbers.forEach(myFunction)
var ages = [32, 33, 16, 40];
function checkAdult(age) {
return age >= 18;
}
(function myFunction() {
console.log(ages.filter(checkAdult));
})()