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JavaScript error: "is not a function" - Stack Overflow
For more generic advice on debugging this kind of problem MDN have a good article TypeError: "x" is not a function: It was attempted to call a value like a function, but the value is not actually a function. Some code expects you to provide a function, but that didn't happen. Maybe there is a typo in the function name?
Python's not() Function not a Normal Function? - Stack Overflow
Dec 18, 2019 · There is no not function. There is only the operator not. Adding parentheses is just adding parentheses around the expression; It is not a function call (i.e. not(x) is exactly the same thing as not x). not(0,0,0) is just the not operator applied to the tuple (0,0,0), which isn’t "falsey" so the result is false.
javascript - Dollar sign ("$") is not a function - Stack Overflow
Jun 13, 2015 · This will wrap all your code inside a function which is executed immediately with jQuery passed in as an argument. Because $ is the name of the argument of that function, you'll know for sure that $ is equal to the global jQuery within that function's scope.
jquery - data.map is not a function - Stack Overflow
Jun 12, 2015 · This is a nonsensical solution, and objectively incorrect in the context of the question. The answer is to use data.products.map, not to wrap data in an array.
Uncaught TypeError: Object.values is not a function JavaScript
I get this error: Uncaught TypeError: Object.values is not a function JavaScript. I don't know what I am doing wrong. I console.log countries before and after I declare labels and the object remains the same. How do I properly use Object.values()?
How to fix the 'map is not a function' error in Javascript
Apr 7, 2019 · document.querySelectorAll returns a NodeList which should be converted to real Array before using map(). The Document method querySelectorAll() returns a static (not live) NodeList representing a list of the document's elements that match the specified group of …
jquery - .autocomplete is not a function Error - Stack Overflow
Of note, the HTML value autocomplete="off" for either the form or form block will prevent the brower from performing the method .autocomplete(), but will not block the jQuery UI function. Share Improve this answer
TypeError: $.ajax (...) is not a function? - Stack Overflow
I'm attempting to create an AJAX request. Here's my function definition: function AJAXrequest(url, postedData, callback) { $.ajax({ type: 'POST', url: url, data: postedD...
NodeJs : TypeError: require (...) is not a function
Oct 8, 2015 · When this happens, it will be detected by the require() sub-system and one of them will come back as null and thus trying to call that as a function will not work. The fix in that case is to remove the circular dependency, usually by breaking common code into a third module that both can separately load though the specifics of fixing a circular ...
'TypeError: is not a function' in Node.js - Stack Overflow
Nov 23, 2015 · A simple way I debugged this (After about 2 days of troubleshooting) was to actually see why 'x' is not a function. Basically, console.log(x) to see the actual object returned. Turned out I was conflicting x with another declared variable (happens especially when you use axios.res and req,res args.