I am trying to use reduce to convert a nested array to an object. I want to convert var bookprice = [["book1", "$5"], ["book2", "$2"], ["book3", "$7"]];
I wrote the following code. Instead of giving me an answer, it outputs NaN. I would like the code to return the weights of John and Mark. Please explain.
How to find id in an array that is inside of an array of objectsExample:How can i find the id of the word "two"??
I would like to create an new object from a bigger one, by copying only a few properties from it. All the solutions I know are not very elegant, I wonder if there is a better choice, native if possible (no additional function like at the end of the following...
I want to get an array of the values of each object I have.I have this:I want this:I tried this:but it throws this error: