The SpiderMonkey JavaScript engine’s parser once supported a nonterminal symbol GuardedCatchClause, which when parsed would produce entries in the .guardedHandlers property of the associated TryStatement; this property also appeared in the ESTree spec at the time. Unfortunately I have not found any references to the syntax of try statements with GuardedCatchClauses on the web. What was the actual syntax and
Cannot set headers after they are sent to the client error nodejs error
When I am trying to post login data in Postman I get an error Cannot set headers after they are sent to the client. Error Scr I’ve tried to put process.env.SEC_KEY in this file but it doesn’t work Answer It seems that you’re trying to send response twice: Also you’re using response imported form the express. I’m not sure why
JSInvokable Blazor method not being called
I’m trying to invoke a Blazor method in JavaScript inside of an OnSuccess callback for the Plaid API. Here’s the JavaScript that’s being run: Here’s the Blazor code being used: The Blazor method InitializePlaid is being called to invoke the JS method InitializePlaidLink. Then, on success, the Blazor method OnPlaidLink Success should be called. I used log statements to confirm
How to make a popup that only pops up once per user?
I’m a beginner in web development, and I’m trying to program a website for my class. So I watched a video on making a popup, but the popup comes up every time the user reloads the page. I need help, please. Here’s my HTML code: Here is my JS code: I tried to find an answer on google, but those
How to get all maximum frequency characters in string?
I have a string and I want to retrieve all the characters with maximum occurring frequency. I have created a function that returns a single maximum frequency character in the string. But how to modify it in such a way that it returns all the characters with maximum occurring frequency in form or array or string. Answer Maybe create a
JS: How to make a list of the letter case permutations of the first letter of each word in a sentence
I am trying to make a list of all possible letter cases of the first letter of the words in a sentence. I can however not think of a way to do this in code because I have no idea how to check for the permutations For Example: Sentence: “A short sentence” Result: (A Short Sentence, a short sentence, A
Calculate total price on different percentage for each increment
I am trying to write a calculator for price estimation so that : for 1000 MTU price will be 0.035 so total will become 35 for 2000 MTU price will be 0.034 total will become 67 for 3000 MTU price will be .0329 total will become 98.79 and so on…. I write the following code but its giving NaN error.
Extract content of code which start with a curly bracket and ends with a curly bracket followed by closing parenthesis
I’m completely mess with Regular Expressions right now(lack of practice). I’m writing a node script, which goes through a bunch of js files, each file calls a function, with one of the arguments being a json. The aim is to get all those json arguments and place them in one file. The problem I’m facing at the moment is the
Dayjs difference between two date time has a default of 8hours
I am confused why the difference between these two dates has a default of 8 hours? I am expecting a result something like 00:12:32 at least in my case from the time I posted this. Right now, in the result, the hour has a default of 8. Answer I cannot tell you but it is another reason for not using
Convert .val() to float to return numbers from select options as float?
Why does .val() return numbers as text instead of float, using apostrophes inside the array? Can I simply convert the array to float/numbers? or is there another simple way to extract all values of selected options and put inside an array? I tried parseFloat but it doesn’t seem to work with array as it only returns 1. Answer You have