Customize the appearance of a <label> tag when it is inside an <input> tag that is marked as invalid

In an ideal scenario, I wish for the text on a label to change color when the input value is considered invalid.

For instance:

<form>
  <label>
    Enter your name:
    <input type="text">
  </label>
</form>

Ideally, I would prefer this approach, but it doesn't work as expected since the problem lies with the <input> being invalid rather than the <label>:

label:invalid {
  color: red
}

The structure of my <label> and <input> elements is intentional so that I don't have to assign any specific IDs to them.

A similar situation can be seen here, although the <label> and <input> are not directly related:

Answer №1

To tackle this issue, one approach is to utilize the label element by storing it in a variable called label and adjusting its properties based on your specific requirements.

let label = document.querySelector("label")

if (!isValid(email){
   label.style.color = "red"
}

Alternatively, you have the option to create a custom function for validating input such as a function named isValid(email) that utilizes regular expressions.

Did the above response address your inquiry?

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