function for_examples() {
var obj = {1:"abc", 2:"xyz", 3:"uvw", 4:"rst"};
for(let i = 0 ; i <= 5; i++) {
console.log(i)
}
console.log('\n')
for (const e of ['node.js', "javascript", 123, 3.14]) {
console.log(e)
}
console.log('\n')
for (const key in obj) {
if (obj.hasOwnProperty(key)) {
console.log(key, obj[key]);
}
}
}
for_examples();
/*
run:
0
1
2
3
4
5
node.js
javascript
123
3.14
1 abc
2 xyz
3 uvw
4 rst
*/