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Tag: for-loop
Javascript reorder array of nested arrays in particular order
I am looking for a way to reorder the beneath array of nested arrays in a specific order. The values within the exposureLevel array come in any order when imported. Some of these values can also be missing from the exposureLevel array. Beneath are some possible examples of this: I would like the array to be in the order beneath,
replaceAll in JavaScript for loop is too slow, looking for an alternative approach
I’m making a browser extension that replaces all profane words on a website with ***. Right now, I have a huge JS array with all the profane words (2k+ words). I’m using a for loop to loop over each word in the profaneWords array and replace any instance of a matching word with ***: With this, it takes about 5
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 ———————— Answer Use the non-null assertion operator to ensure that “its operand is non-null and non-undefined in contexts where
Cypress click on set of elements but not loop forever
I have a few places that I need to click on a number of elements but I don’t want it to loop through. I feel that the answer is right in front of me, but cant find the right solution. Here is one code example which right now is stuck in a forever loop: I have 19 elements all of
Add single unique class on button at a time through foor loop
I am trying to add each unique class (given in array) on each button in the accordion.I have written the jquery code but there is some issue with the code.Currently it is adding all of those array classes on the buttons.I just want it to add only a single class at a time.Please highlight the issue in the code. Thanks
Why doesn’t the for loop stop on les then operator (<) but continues to loop one more time to be (=) to 5
The operator is les then or equal. So why does it continue to loop one more time since when it looped 4 times, it reached one of it’s conditions? Answer You are correct that <= means less than or equal, but I believe you are confusing how loops work. The second statement in a for-loop declaration is called the condition,
How to create an event that when a div or it’s child elements clicked create a border around the whole div in vanilla Javascript
I have a container and inside of it I dynamically create divs. Every created div has 2 p elements inside. How can I add an onclick function in every created div so when click either the div or the p elements a green border appears only around the WHOLE div. Because now if I click a p the border is
Using a for-loop to retrieve elements from an Array
I’m new to JS and keep running into issues for a recent class assignment. I’ve reached out to my professor for help but I’m still not understanding it. For our assignment, I need to use a for-loop to retrieve elements from my beatlesArray and concatenate them into a string variable with this format if the images are clicked : 1.
How to use useEffect and for loop to generate multiple JSX elements
I want to use useEffect and for-loop to generate multiple JSX elements but nothing is rendered in this case. warning code: “React Hook useEffect has a missing dependency: ‘renderInfoCard’. Either include it or remove the dependency array react-hooks/exhaustive-deps” Answer I wouldn’t put components in state (and you really shouldn’t mutate state either). Instead, wait for all the results to come