Let’s suppose I have an API response that looks like this: I want to transform it by adding the rid property to each object. How can I do so? I think there is some kind of recursion involved but I haven’t been able to draft a solution? Thanks. Answer You just need to iterate through object with re…
Tag: variable-assignment
Variable ‘value’ is used before being assigned
My code: And got this: I found this very odd, as I had seen other similar problems that either used a callback or a Promise or some other asynchronous method, while I used just a synchronous for loop. ———————————- Some update ——R…
Why the right side of a destructuring assignment ignores an index increment made in its left part
Since the postfix ++ exists in languages, the following will always make v[0] ← v[1]: Now with destructuring assignment, it’s different – I could only test with Chrome and Firefox: Both would end up with i expected value of 1. I tried many other king of variable assignments in the left part of a d…
How does one avoid or suppress code exceptions while trying to assign an object value via exactly one expression
I am really at the beginning with JavaScript and I am trying to assign a value of my object field. The value is coming from another object, but that value must be modified. It crashes if the value is null, so I need a try-catch block but I don’t know how to do it. I want to convert some values
In JavaScript, is chained assignment okay?
Am not new to JS or its syntax, but sometimes, the semantics of the language has me stumped at times. At work today, a colleague mentioned this: is not the same as or since the first version actually assigns the reference to an empty array to a and b. I couldn’t quite accept this as true, but I’m …