Preventing the display of any object items that include a period character in AngularJS

There seems to be an issue with a JSON item not displaying correctly in AngularJS.

error = {
    "name": [
        "The name field is required."
    ],
    "salary.salary_id": [
        "The salary.salary id field is required."
    ]
}

When attempting to display the error using AngularJS,

{{error.name[0]}}

The output will be The name field is required.

However, when trying to display the second error message,

{{error.salary.salary_id[0]}}

It does not display anything, possibly due to the . operator in the key name.

What would be the best way to solve this issue?

javascriptjsonangularjs

Answer №1

Make sure to utilize square brackets [] notation when the key of your object key contains special characters.

{{error['salary.salary_id'][0]}}

If you use {{error.salary.salary_id[0]}} to access the value, it will look for the key salary within error and then attempt to find salary_id within the salary key, but this is not defined.

Answer №2

Opt for bracket notation over dot notation:

{{error['salary.salary_id'][0]}}

Reference: bracket vs dot notation

Answer №3

One difficulty faced by Java developers is including dots in the id properties of elements in JavaScript or HTML. This can lead to conflicts and various issues. While you may interpret this as an array (error['salary.salary_id']), it can cause even more problems down the line (as dots are used to style classes in CSS).

I urge you to steer clear of using dots in ids to prevent such complications.

Best of luck to you.

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