class Stack {
constructor() {
this.items = [];
}
push(element) {
return this.items.push(element);
}
pop() {
if (this.isEmpty()) {
return "Stack is empty";
}
return this.items.pop();
}
peek() {
if (this.isEmpty()) {
return "Stack is empty";
}
return this.items[this.items.length - 1];
}
isEmpty() {
return this.items.length === 0;
}
size() {
return this.items.length;
}
print() {
for (let i = 0; i < this.items.length; i++) {
console.log(this.items[i]);
}
}
clear() {
this.items = [];
}
}
// Usage
const stack = new Stack();
stack.push(38);
stack.push(41);
stack.push(42);
stack.push(43);
stack.push(44);
stack.push(45);
stack.push(46);
console.log(stack.pop());
console.log(stack.items);
console.log(stack.peek());
console.log("size: " + stack.size());
console.log(stack.isEmpty());
stack.pop();
stack.print();
stack.clear();
console.log(stack.items);
/*
run:
46
[ 38, 41, 42, 43, 44, 45 ]
45
size: 6
false
38
41
42
43
44
[]
*/
