let array = [1, 2, 3, 4];
console.log("===========1.forEach()===============");
function test1() {
array.forEach((item, index, array) => {
console.log(item);
})
}
console.log("===========2.map()===============");
function test2() {
let temp = array.map((item, index, array) => {
return item = item * 10;
});
console.log(temp);
let temp2 = array.map(String);
console.log(temp2);
}
console.log("===========3.filter(===============");
function test3() {
let temp = array.filter((item, index, array) => {
return item > 2;
});
console.log(temp)
}
console.log("===========4.reduce(===============");
function test4() {
let temp = array.reduce((x, y) => {
return x + y;
});
console.log(temp);
console.log(array);
}
console.log("===========5.every(===============");
function test5() {
let bo = array.every((item, index, array) => {
return item > 2;
});
console.log(bo);
}
console.log("===========6.some(===============");
function test6() {
let temp = array.some((item, index, array) => {
return item > 1;
});
console.log(temp);
}
test6()
console