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How can a dictionary be created in Javascript from another dictionary?

asked 2022-10-17 11:00:00 +0000

qstack gravatar image

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answered 2021-05-04 16:00:00 +0000

woof gravatar image

To create a new dictionary in JavaScript from another dictionary, you can use the spread operator or Object.assign() method.

Here's an example using the spread operator:

const originalDict = { name: "John", age: 30, occupation: "developer" };

const newDict = { ...originalDict };

console.log(newDict); // { name: "John", age: 30, occupation: "developer" }

Here's an example using Object.assign():

const originalDict = { name: "John", age: 30, occupation: "developer" };

const newDict = Object.assign({}, originalDict);

console.log(newDict); // { name: "John", age: 30, occupation: "developer" }

Both methods create a new object that has the same key-value pairs as the original dictionary. If you modify the original dictionary after creating a new one, the new dictionary will not be affected.

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Asked: 2022-10-17 11:00:00 +0000

Seen: 17 times

Last updated: May 04 '21