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Add comment to tutorial.js generateUUID usage

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Ryan Huffman 2016-10-28 16:17:54 -07:00
parent 8fe6278831
commit 4148abe28f
1 changed files with 3 additions and 0 deletions
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tutorial/tutorial.js
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@ -982,6 +982,9 @@ TutorialManager = function() {
currentStepNum = -1; currentStepNum = -1;
currentStep = null; currentStep = null;
startedTutorialAt = Date.now(); startedTutorialAt = Date.now();
// Old versions of interface do not have the Script.generateUUID function.
// If Script.generateUUID is not available, default to an empty string.
tutorialID = Script.generateUUID ? Script.generateUUID() : ""; tutorialID = Script.generateUUID ? Script.generateUUID() : "";
STEPS = [ STEPS = [
new stepStart("start"), new stepStart("start"),