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Javascript for piped text, many options

  • May 25, 2021
  • 2 replies
  • 268 views
E
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Hi all,
In my survey I want have a piece of text in Q2 depend on what was entered in Q1. In this case Q1 is a text field, with possibly 100 different answers (I also need an else clause). Can I use Javascript to use if-else statements, or maybe something with an array?

Conceptually, this is what I want: 
if Q1 = "answer text 1" then Q2 = "What is your experience in working with Mary?"
if Q1 = "answer text 2" then Q2 = "What is your experience in working with John?"
...
if Q1 = "answer text 100" then Q2 = "What is your experience in working with Angela?"
else Q2 = "Not sure yet what to ask here..."

The name will also come back in other questions (e.g. Q3). I have a feeling that once Q1 is known, I have to look up the name and then put it in a hidden question. That would make piping in later questions easy.
But how can I nicely look up the name from a long list / array?
Thanks in advance for your insights!

Best answer by ahmedA

You can use this JS in Q2 to achieve what you have described:
Qualtrics.SurveyEngine.addOnReady(function () {
    let match_object = {
        "answer text 1": "Mary",
        "answer text 2": "John",
        "answer text 100": "Angela",
    };

    // You'll need to get the text entry value from Q1 using piped text
    let q1Answer = "${q://QID1/ChoiceTextEntryValue}";

    // Empty in case of an invalid entry. You can change this
    let great_name = match_object[q1Answer] ? match_object[q1Answer] : " ";

    // Create embedded data "great_name" which can be used later also
    Qualtrics.SurveyEngine.setEmbeddedData("great_name", great_name);

    let q2Text = great_name.trim()
        ? "What is your experience in working with " + great_name
        : "Not sure yet what to ask here..."; // Change the value here for the else clause

    // This will change the entire question text. If you only want to change a part of it,
    // Then use the appropriate selectors. Read up on HTML selectors for this.
    this.questionContainer.querySelector(".QuestionText").innerText = q2Text;
});



While the code will work, it will be extremely sensitive, so an extra punction or space anywhere in the first answer will result in an error.

2 replies

A
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  • ahmedA
  • Level 7 ●●●●●●●
  • Answer
  • May 25, 2021

You can use this JS in Q2 to achieve what you have described:
Qualtrics.SurveyEngine.addOnReady(function () {
    let match_object = {
        "answer text 1": "Mary",
        "answer text 2": "John",
        "answer text 100": "Angela",
    };

    // You'll need to get the text entry value from Q1 using piped text
    let q1Answer = "${q://QID1/ChoiceTextEntryValue}";

    // Empty in case of an invalid entry. You can change this
    let great_name = match_object[q1Answer] ? match_object[q1Answer] : " ";

    // Create embedded data "great_name" which can be used later also
    Qualtrics.SurveyEngine.setEmbeddedData("great_name", great_name);

    let q2Text = great_name.trim()
        ? "What is your experience in working with " + great_name
        : "Not sure yet what to ask here..."; // Change the value here for the else clause

    // This will change the entire question text. If you only want to change a part of it,
    // Then use the appropriate selectors. Read up on HTML selectors for this.
    this.questionContainer.querySelector(".QuestionText").innerText = q2Text;
});



While the code will work, it will be extremely sensitive, so an extra punction or space anywhere in the first answer will result in an error.

E
Forum|alt.badge.img+1

Thanks a lot! The array-approach looks great.
Would it be possible to do this in Q1 addOnUnload or addOnPageSubmit? That way, it does not depend on Q2 being the first question to use it (maybe the order of Q2 and Q3 gets interchanged at some point, who knows).

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