javascript hash table
- Hash Tables are a data structure that allow you to create a list of paired values.
- Common Example of a Hash Table in JavaScript is the Object data type.
- You can pair the object’s property value with a property key.
let obj = { fname: "Alan", lname: "Doug" }
javascript hash
- JS
hasOwnProperty()
method which allows you to check if a property is not inherited.
const obj = {}; obj.fname = "Alan"; console.log(obj.hasOwnProperty("fname"));
hash tables javascript
Associative Array: It use Strings instead of Integer numbers as index.
Create an object with
var dictionary = {};
- JavaScript allows you to add properties to objects.
Object.yourProperty = value;
An alternate syntax for the same is:
Object["yourProperty"] = value;
javascript hashtable
var dictt = { name:"Alan", age:24, job:"Writing" }; // Iterate over using keys for (var key in dictionary) { console.log("Key: " + key + " , " + "Value: "+ dictionary[key]); } console.log(dictt.name)