Description of the problem: " TypeError: Cannot use ‘in’ operator to search for ‘XXXXX’ in undefined" I used the auto-translate function and am having a couple of issues. My code is supposed to check if an object “selectedPrimeprac” can be found in an array “primeListprac”. If it is found in the …

@Jasper_Wilson , just in case if you want an equivalent in JS: if (primeListprac.indexOf(selectedPrimeprac) > -1) { // Get the index of the list item idx = primeListprac.indexOf(selectedPrimeprac); // remove item in place it using splice primeListprac.splice(idx, 1); } Alternatively, a one-…

[image] Jasper_Wilson: TypeError: Cannot use ‘in’ operator to search for ‘XXXXX’ in undefined As far as I know, in javascript, operator in searches for the index, but not the string itself. See here (bottom of the page)

Python to JS translate, searching for objects in an array

Online experiments

Jasper_Wilson April 11, 2020, 3:48pm 3

Auto translate was working, my variable just wasn’t global here is the solution.

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Python to JS translate, searching for objects in an array

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