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How to set the `for` attribute on a Label element in React - LearnShareIT

How to set the `for` attribute on a Label element in React

The HTML <label> or label tag in HTML defines a label for the <input> element. Such as textbox, email, password, and textarea… Setting the `for` attribute on a Label element in React is slightly different.

Set the `for` attribute on a Label element in React

Switch for becomes htmlFor

Usually, labels are bound to input text using the id attribute.

<div id = "root">
  <div>
    <label for = "email">Email</label>
    <input type = "text" id = "email" name = "email" size = "30" />
  <div>
<div>

But if you use it in React, it gives the following warning:

app.js:21988 Warning: Invalid DOM property `for`. Did you mean `htmlFor`?

To prevent that from happening is very simple; you just need to change the for to htmlFor.

<div id = "root">
  <div>
    <label htmlFor = "email">Email</label>
    <input type = "text" id = "email" name = "email" size = "30" />
  <div>
<div>

Make sure to write the correct syntax if you don’t want any silly mistakes because React is case-sensitive. 

Use DOM

Still using htmlFor but we will combine it with DOM to change the value of the attribute of a label:

document.getElementById("labelName").htmlFor = "newLabel";

This is a rarely used method, but it will still be useful when you want to add new functionality to the web.

Summary

This article has covered some basic methods to set the `for` attribute on a Label element in React with some simple examples. Hope this post will be useful to you. 

If you have any questions, please leave a comment.

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