Add / Toggle Multiple Conditional Classes using React JS | React JS Tutorial

Let's say we have an element like a button in react JS. How can we use multiple classes for this button while toggling additional classes for it? How to manage and handle multiple conditional classes for an element in React JS? Let's apply multiple classes on this button from everywhere.
It will receive two different classes from parent component using props. We will get these props in button component and apply these on button.

One way to add multiple classes in ReactJS is to join these classes by using array join method. But this is not developer friendly. We can use template literal to add multiple classes in react js. We can use space, add a static class, add variable class using this. We can add conditional in template literal in react js. So if i click at button, it is changing state. If state is true, we are applying active class as well. Now we have one static class, two classes from parent component and one conditional class from this component. And this is all working.

But we can apply an even better way to manage multiple classes on an element in react js. There is a package to handle multiple classes in react js. That is classnames. use npm i classnames to install the package. After installation, import classnames package, declare a variable, use the package to list classes in it. List static class and props in it.

And now just use this one variable in class that is holding classnames object containing classes. Add conditional classes in this by declaring an object inside it as parameter. This package can take, static text, variables, conditions, conditional classes and more. Classes can come from anywhere and can be static or result of something or from state,
we can manage those all easily by using these methods.

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[thatsalot]

Thank you this is the exact thing I was looking for.

[MultiTrickster]

Never thought of this thank you awesome video