JavaScript does not have a built-in unpacking feature like Python, but you can use a combination of destructuring and the spread operator to achieve a similar result.
For example, in Python, you can easily unpack a list or tuple into individual variables like this:
x, y, z = [1, 2, 3]
In JavaScript, you can use destructuring to assign values from an array to individual variables:
let [x, y, z] = [1, 2, 3];
However, if you want to unpack an array into individual variables and assign them to a function, you can use the spread operator as follows:
let arr = [1, 2, 3];
function myFunction(x, y, z) {
// do something
}
myFunction(...arr);
This way, each element in the array is spread out and assigned to the individual function parameters. This is similar to how the unpacking feature works in Python.
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Asked: 2022-03-04 11:00:00 +0000
Seen: 8 times
Last updated: Jul 29 '21
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