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What to do if the Array.prototype.find () method in js has no effect on the object array? I believe many inexperienced people are at a loss about this. Therefore, this paper summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem.

When I used the Array.prototype.find () method, I found that it did not return correctly on the object array, as follows:

RoleResourceList is an array of objects:

The data in it goes like this:

Call the find () method:

Under debugger, I saw that it was obviously true, but finally returned undefined.

It's amazing, isn't it?

It turns out that you can't make a direct comparison like this. If an object is to be compared, it should be compared in a method:

So the result is right!

After reading the above, have you mastered what to do if the Array.prototype.find () method in js has no effect on the object array? If you want to learn more skills or want to know more about it, you are welcome to follow the industry information channel, thank you for reading!

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