Add commas to Piped Text from Single Select answer choices

Question

Hello,I’m trying to get piped answers from previous single select questions to show up as follows:“PipedAnswer1, PipedAnswer2, PipedAnswer3,...”Currently how it is set up, this is how it looks like:“PipedAnswer1 PipedAnswer2, PipedAnswer3...” I need to be able to have the commas show up consistently, but only if a piped answer was selected. I currently have it set up as an array in JS like this below:And in the HTML of the question text, I have this entered:

QIDs

If I was to select PipedAnswer1, PipedAnswer3, and PipedAnswer5, it would look like this:PipedAnswer, , PipedAnswer3, , PipedAnswer5, , , How do I get rid of the unneeded commas if the answers aren’t selected above? Do I need some kind of loop? Thanks in advance!

Nam Nguyen · Accepted Answer

@tjdavidJust add a step that skim out all the empty choicevar answerList = [];    // skim out empty choice    for (var i = 0; i < arr.length; i++) {        if (arr[i].trim() !== "") {            answerList.push(arr[i]);        }    }Then jQuery(“#pipe”).html(answerList.join(“, ”));

TomG · Answer

Add this line before the join:arr = arr.filter(function(string) { return string.trim() != ''; });

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