How to make pictures in JavaScript

Learn how to create a Javascript-powered image slider, complete with a working example.

Creating an Image with JavaScript

Creating an image in JavaScript is a fairly simple task. It requires a few lines of code, and can be done in a few ways. Here is an example of how to create a basic image with JavaScript.

// create a new image object
var myImage = new Image();

// set the source of the image
myImage.src = 'myImage.jpg';

// set the width and height of the image
myImage.width = 200;
myImage.height = 150;

// add the image to the page
document.body.appendChild(myImage);

This code creates a new Image object and sets its source. It also sets the width and height of the image. Finally, it adds the image to the page. This example is fairly basic, but it will create a working image on the page.

It's also possible to create an image from a data URL. A data URL is a string of text that encodes an image. Here is an example of how to create an image from a data URL.

// create a new image object
var myImage = new Image();

// set the source of the image
myImage.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==';

// set the width and height of the image
myImage.width = 200;
myImage.height = 150;

// add the image to the page
document.body.appendChild(myImage);

In this example, the source of the image is a data URL. The data URL is a base64 encoded string that represents the image. This example is a bit more complicated than the previous one, but it will still create an image on the page.

It is also possible to create an image from an SVG file. Here is an example of how to create an image from an SVG file.

// create a new image object
var myImage = new Image();

// set the source of the image
myImage.src = 'myImage.svg';

// set the width and height of the image
myImage.width = 200;
myImage.height = 150;

// add the image to the page
document.body.appendChild(myImage);

In this example, the source of the image is an SVG file. This example is similar to the first two, but it will create an image from an SVG file rather than a JPEG or a data URL.

These are just a few examples of how to create an image with JavaScript. There are many more ways to do it, including using the canvas element, creating an image from a base64 string, and more. No matter what method you choose, creating an image with JavaScript is a fairly straightforward task.