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typeerror: func.apply is not a function

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Hacker Harsha answered on December 9, 2021 Popularity 10/10 Helpfulness 2/10

answer typeerror: func.apply is not a function

related apply. func is not a function

related TypeError: this._callback.apply is not a function

typeerror: func.apply is not a function

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useEffect(() => {
    (async () => {
        const result = await axios.get(
            "http://example.com/api/v1/categories/"
        );
        setData(result.data);
    })();
}, []);

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: stackoverflow.com

Tags: function javascript

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Contributed on Jan 07 2022

Hacker Harsha

0 Answers Avg Quality 2/10

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apply. func is not a function

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A personal note - Opinionated based on my experience -- may not be applicable in your cases. 

TLDR : Other seemingly unrelated errors that you are ignoring for the time being might be causing this error 
		Get rid of all those errors and your error might just take care of itself too.


Take a closer look at the (seemingly unrelated ) errors that the console is throwing your way. 
Unrelated errors might be responsible. 

For ex. I received TypeError: func.apply is not a function ----- this suggests that something we've passed to JS / React is not a function. 

In my case, I had passed a "" to an onClick listener as a placeholder ie. onClick = { "" }. In my experience, as it was not 
clicked by the user, this would not throw a catastrophic response. ie. the error in the console would be red but the react app would 
still work ie. render in a seemingly fine way. But a error lurks and it may come back to haunt you

div
 |----
     xyz
      |----button

This was the basic component structure in my app, I had (wrongly) passed onClick = { "" } to the parent div. This did not immediately create an issue during runtime ( I did throw an error but did not break anything ). However, 
when I clicked on button, the event bubbled up , upto the div and thats when the " TypeError: func.apply is not a function " error was thrown. This broke the React App.

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: func

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Contributed on Dec 09 2021

Confused Crossbill

0 Answers Avg Quality 2/10

TypeError: this._callback.apply is not a function

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node:events:492
      throw er; // Unhandled 'error' event
      ^

TypeError: cb is not a function

Popularity 3/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: function whatever

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Contributed on Dec 06 2023

genet talema

0 Answers Avg Quality 2/10

typeerror: func.apply is not a function

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apply. func is not a function

TypeError: this._callback.apply is not a function

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