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How to add a hash table in JavaScript?

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To add a hash table in JavaScript, we create an object literal.

For instance, we write

const myHash = {};
myHash["one"] = [1, 10, 5];
myHash["two"] = [2];
myHash["three"] = [3, 30, 300];

to define the myHash object.

And then add keys and set them to values.

'one', 'two' and 'three' are the keys and the arrays are their values.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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