706-design-hashmap

DevGod

Vtuber

Caution

DevGod needs to write an editorial for this problem!

js

var MyHashMap = function() {
    this.data = {};
};

/**
 * @param {number} key
 * @param {number} value
 * @return {void}
 */
MyHashMap.prototype.put = function(key, value) {
    this.data[key] = value;
};

/**
 * @param {number} key
 * @return {number}
 */
MyHashMap.prototype.get = function(key) {
    if(this.data[key] === undefined){
        return -1;
    }
    return this.data[key];
};

/**
 * @param {number} key
 * @return {void}
 */
MyHashMap.prototype.remove = function(key) {
    this.data[key] = undefined;
};

/**
 * Your MyHashMap object will be instantiated and called as such:
 * var obj = new MyHashMap()
 * obj.put(key,value)
 * var param_2 = obj.get(key)
 * obj.remove(key)
 */