The query I've got so far: const cities = await City.find({ names : { $in: citiesArray }}) The field names is a String separated by commas (e.g "A, B, C, D, E...") The field citiesArray is a JS array (e.g.…
New to JS, so still learning lots I came across this (See Image) on https://www.w3schools.com/js/js_array_methods.asp It states this "JavaScript automatically converts an array to a comma separated string when a primitive value is expected." On their own website, this works…
So I have been practicing and reading about assertions, and ran into this problem: const text14 = "123 456 7890"; const pattern12 = /d+(?!0)/g; let matches12 = text14.match(pattern12); console.log(matches12); the output is supposed to be ['123', '456'] Yet it isn't.…
I want have a TextFormField that formats the input depending on a given separator and interval. E.g. separator = '-' and interval = 4 the output should be the following: Input: 1234 Output: 1234 Input 12345678 Output: 1234-5678 Input: 12345678910…
I've got an array of strings and a string. Using a for loop, iterating through both the array and the string, I'm hoping to return the letters that are the same in both. My solution works until there is a…
I am trying to break the whole sentence into reverse words, in this case, why do we use let i = splittedText.length-1 instead of let i = splittedText.length? Why do we need to subtract 1? const wordSplit = (text) =>…
Test Input <!DOCTYPE html> <html> <head> <title>This is a title</title> <head> <body> <div> <p>H/e/l/l/o abcdefgw/o/r/l/d!</p> </div> <body> <html> Test Output <!DOCTYPE html> <html> <head> <title>This is a title</title> </head> <body> <div> <p>H/e/l/l/o abcdefgw/o/r/l/d!</p> </div> </body> </html> We do not want…
I need to display text and a double in a Text widget but I am getting an error. This should be a simple thing to do. Here is the code: double commission = 0.0; const Text('Commission: ${commission}'), Here is the…
I'm trying to change the visibility for a span class in a PHP file based on a variable (string) I defined earlier. I want to make the span class hidden or invisible if the variable (string) is empty. I know…
I have a single string made up of numbers of varying lengths, example: "12345" I would like to break the String before the last character, so that I have ["1234", "5"] I can do this with substring, but I would…