How to determine whether an element is contained in an angularjs array

Below I will share with you an example of determining whether an angularjs array contains a certain element. It has a good reference value and I hope it will be helpful to everyone.

This is the in_array function, which determines whether an array contains an element.

Array.prototype.in_array = function(e) { for(i=0;i
        

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How to use:

tmp.in_array(id)

The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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