I've been developing a login system using TypeScript but I keep encountering an error that I can't figure out. Here's the issue in detail:
https://i.sstatic.net/PN4N8.png
The problem arises when the this.startLoginAnimation() function is called within the attemptLogin() function, it throws an error:https://i.sstatic.net/M6VJr.png
even though it is clearly a function. It's worth mentioning that Visual Studio Code doesn't show any complaints about it.
An issue with the "this.startLoginAnimation" function
this behavior varies depending on how the function is called. A quick solution is to use an arrow function:
startLoginAnimation = () => {
}
For additional information on this, check out this informative video about using this in TypeScript classes.
After some experimenting, I discovered the solution by testing what 'this' was referring to and found it to be an HTMLElement type. Thank you for sharing the link to that website; it seems like a valuable learning resource!
For those facing a similar issue, here is how I resolved it: Instead of using form.addEventListener('submit', this.attemptLogin); I did the following: https://i.sstatic.net/iLmlE.png
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