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"
}

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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;

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					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)

Associative array/hashing in JavaScript

javascript hash table

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javascript hashtable