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#loop - Questions and answers

8 questions, 1 pages, 20 questions on this page

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3 points

Bash - how to create local variable inside loop?

How can I create a local variable inside loop in Bash? I was trying to print a message using local variable like this: Then I got the following error: Is there any way to do that? I don't want the mes...

1 answers

548

0 points

JavaScript - looping through localStorage

Can I loop through localStorage like a normal object as it has a length? How can I do this? When I add some items, e.g: the localStorage.length returns 3 which is correct, so can I use e.g. for...in l...

1 answers

739

0 points

JavaScript - do loops check the array.length every time when comparing i to array.length?

Do normal loops check the array.length each time? For example a simple for loop:

1 answers

667

0 points

React - loop through array

I have array of users objects and I want to display it in my App component. How can I loop through the array and display all elements inside the return() of my component? My code:

1 answers

667

0 points

JavaScript - create array from for loop

I have a range stored into two variables and I want to create an array within the range. Something like this: What should I put inside the object to make it work? The result I'd like to get would be:

1 answers

1009

0 points

Javascript - loop through array backwards with forEach

How can I loop an array backwards using forEach() method? I want to know if there's any way to do it specifically with forEach(), not any other kind of loop.

1 answers

600

2 points

JavaScript - break for loop with condition

How can I break the for loop in JavaScript when the iteration i variable is equal to some value? Code example: Output: How to cancel iteration of this for loop when i is equal to 3?

1 answers