How to add a new property to JavaScript object?

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This video covers 2 fundamental approaches of adding a new property to a JavaScript Object:
The first one is without modifying the existing object and
The second approach is by changing the object itself.

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i resolved a problem with using that Object.assign() code. Thanks for that.

haliszekeriyaozkok
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How do you update the object with given arguments and return a new object?

harpobling
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why you declare object with let and not const?

zorgimax
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