'_hash(input)'의 언더바? Private property

// HashTable Challenge : add set, get methods class HashTable { constructor(size){ // set memory size this.data = new Array(size); // [['grapes', 10000]] } // hash function _hash(key) { let hash = 0; for (let i = 0; i < key.length; i++) { hash = (hash + key.charCodeAt(i) * i) % this.data.length } return hash; } } const myHashTable = new HashTable(50); myHashTable.set('grapes', 10000); myHashTable.get('grapes');

Private property

_hash? it is a kind of meaning-less property such as ‘You better not use this’ to other developers.

 

참고할 것들

https://javascript.info/private-protected-properties-methods

https://stackoverflow.com/questions/22156326/private-properties-in-javascript-es6-classes