how to display image in react js component with code examples 2

React JS is a popular JavaScript library for building user interfaces. Displaying images in a React component is a common task that developers need to perform. In this article, we will learn how to display images in a React JS component with code examples.

There are several ways to display images in a React JS component. We will discuss some of the most commonly used methods.

Method #1: Using the tag

The simplest way to display an image in a React JS component is by using the tag. This is useful if you have a static image that you want to display.

Here is an example of how to use the tag in a React component:

import React from 'react';

function ImageComponent() {
  return (
    <div>
      <h1>Using the <img> tag</h1>
      <img src="/path/to/image.jpg" alt="img" />
    </div>
  );
}

export default ImageComponent;

In this example, we have imported the React library, created a function component called ImageComponent, and used the tag to display an image.

The src attribute of the tag specifies the path to the image. The alt attribute specifies an alternative text that will be displayed if the image cannot be loaded.

Method #2: Using the require() function

Another way to display an image in a React JS component is by using the require() function. This method is useful if you have a dynamic image that you want to display based on some condition.

Here is an example of how to use the require() function in a React component:

import React from 'react';

function ImageComponent(props) {
  const {imageSrc} = props;
  
  return (
    <div>
      <h1>Using the require() function</h1>
      <img src={require(`${imageSrc}`)} alt="img" />
    </div>
  );
}

export default ImageComponent;

In this example, we have created a function component called ImageComponent that accepts a prop called imageSrc. The require() function is used to load the image dynamically based on the value of imageSrc.

Method #3: Using the css background-image property

Another way to display an image in a React JS component is by using the css background-image property. This method is useful if you want to display the image as a background in a container.

Here is an example of how to use the css background-image property in a React component:

import React from 'react';
import './ImageComponent.css';

function ImageComponent() {
  return (
    <div className="image-container">
      <h1>Using the css background-image property</h1>
    </div>
  );
}

export default ImageComponent;

In this example, we have imported a css file called ImageComponent.css, created a function component called ImageComponent, and used the className attribute to add a class to the

element.

Here is the css code for the ImageComponent.css file:

.image-container {
  background-image: url('/path/to/image.jpg');
  background-size: cover;
  height: 300px;
}

In this code, we have used the background-image property to specify the path to the image and the background-size property to adjust the size of the image.

Conclusion

In this article, we have learned how to display images in a React JS component using several methods. We have used the tag, the require() function, and the css background-image property to display images. By using these methods, you can display images in your React JS application with ease.

In the last article, we covered how to display images in a React JS component with code examples. Let's dive a little deeper into each of the methods discussed in the previous article.

Method #1: Using the Tag

The tag is a popular and simple way to display images in an HTML document, and it's no different in a React component. This method can be used for displaying static image files that don't require any special event handling.

In the example code provided in the previous article, we created a functional component called ImageComponent that returns a

element containing an

element and an element. We used the src and alt attributes of the element to specify the image file path and alternative text, respectively.

Here's what the code looks like:

import React from 'react';

function ImageComponent() {
  return (
    <div>
      <h1>Using the <img> tag</h1>
      <img src="/path/to/image.jpg" alt="img" />
    </div>
  );
}

export default ImageComponent;

This method is great for images that don't require any dynamic data or event handling. Once the image is loaded, the element just sits there displaying the image until the user leaves the page.

It's worth mentioning that if your image requires dynamic image loading and handling, we recommend using the next two methods.

Method #2: Using the require() Function

While the tag works great for static images, it's not ideal for dynamic images such as user avatars or product thumbnails. The require() function is an alternative method that works well for dynamic image files.

In this method, we pass the image file path as a parameter to the require() function and return the result as the value of the src attribute.

Here's the updated code for our ImageComponent using the require() function:

import React from 'react';

function ImageComponent(props) {
  const { imageSrc } = props;

  return (
    <div>
      <h1>Using the require() function</h1>
      <img src={require(`${imageSrc}`)} alt="img" />
    </div>
  );
}

export default ImageComponent;

In this updated version of ImageComponent, we take an imageSrc prop as an argument, which is then passed over to the require() function. This dynamically loads the image to the component. When the ImageComponent rendered, the image passed over as a prop is dynamically loaded.

Method #3: Using the CSS Background-Image Property

This method is useful for displaying more complex images such as background images for a component or a website. Unlike the tag, which displays the image as an HTML element, the CSS background-image property displays the image as a background property for the containing element, giving developers a greater degree of control in terms of image positioning, gradients, and so on.

Here's an example of using the CSS Background-Image property:

import React from 'react';
import './ImageComponent.css';

function ImageComponent() {
  return (
    <div className="image-container">
      <h1>Using the CSS background-image property</h1>
    </div>
  );
}

export default ImageComponent;

In this example, we imported a CSS file named ImageComponent.css, created a functional component named ImageComponent, and inserted a div with a className of 'image-container' and an H1 element. Then on the CSS side, we wrote the following code:

.image-container {
  background-image: url('/path/to/image.jpg');
  background-size: cover;
  height: 300px;
}

This will make the

element with a className of 'image-container' to have a background image, which is a 300px-high and dynamically loads the expected image.

In conclusion, we've now explored three methods to display images in React JS components – The tag, the require() function, and the CSS background-image property. Now it's up to you to decide which method works best for your project's requirements.

how to display image in react js component with code examples 2

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