ArticleZip > Show Hide Reactjs Components Without Losing Their Internal State

Show Hide Reactjs Components Without Losing Their Internal State

One common challenge when working with React.js components is toggling their visibility without losing their internal state. This is a common scenario in web development when you want to show or hide components based on user interactions or certain conditions in your application.

There are several ways to achieve this without losing the internal state of the components. Let's delve into some techniques that can help you accomplish this seamlessly.

One popular approach is conditional rendering. By using conditional statements within your component's render method, you can control when the component should be displayed or hidden. You can achieve this by setting a state variable that determines the visibility of the component and updating it based on user actions.

For example, you can create a state variable named 'isVisible' and set it to true or false based on whether the component should be visible or hidden. You can then conditionally render the component based on the value of this variable:

Jsx

import React, { Component } from 'react';

class MyComponent extends Component {
  state = {
    isVisible: true
  };

  toggleVisibility = () => {
    this.setState(prevState => ({
      isVisible: !prevState.isVisible
    }));
  };

  render() {
    return (
      <div>
        <button>Toggle Visibility</button>
        {this.state.isVisible &amp;&amp; <p>This is a visible component with internal state.</p>}
      </div>
    );
  }
}

export default MyComponent;

In this example, clicking the 'Toggle Visibility' button will toggle the visibility of the component without losing its internal state.

Another technique is to use CSS to hide and show components. You can define a CSS class that sets the display property to 'none' to hide the component and then dynamically add or remove this class based on the visibility state.

Jsx

import React, { Component } from 'react';
import './MyComponent.css';

class MyComponent extends Component {
  state = {
    isVisible: true
  };

  toggleVisibility = () =&gt; {
    this.setState(prevState =&gt; ({
      isVisible: !prevState.isVisible
    }));
  };

  render() {
    return (
      <div>
        <button>Toggle Visibility</button>
        <p>This is a component styled using CSS.</p>
      </div>
    );
  }
}

export default MyComponent;

By toggling the CSS class on and off based on the visibility state, you can show and hide the component without affecting its internal state.

In conclusion, maintaining the internal state of React.js components while showing and hiding them is crucial for a seamless user experience. By leveraging conditional rendering and CSS techniques, you can achieve this functionality efficiently in your applications. Experiment with these approaches and choose the one that best fits your project requirements. Happy coding!

×