![]() If we set two numbers, then the first one will be the length of the line segment, and the second will be the length of the gap. This will result in a dashed border where the line segment and the gap both have the same length. In the first example, we set a single number as stroke-dasharray. ![]() We can use the stroke-dasharray, the stroke-dashoffset, and the pathLength properties. In SVG we have similar possibilities with much more customization options. The border-style property in CSS for HTML elements These border styles are not very common, as you don’t have that many options to fine-tune them in CSS. Mostly you would use a solid border, but you can also have a dotted or a dashed one. Now how do we turn a continuous circle into minute markers? You might be familiar with the border-style property in CSS. We will also use the fill property for setting text color, and we will use the stroke property to set the color of a line. Just keep in mind that they are not exactly the same. And the stroke and stroke-width properties are also similar to the border-color and border-width properties. You can think of the fill property as background-color in CSS. But these options have different property names. SVG elements often have similar styling options as HTML elements with CSS. The circle tag in our initial example has a center position, a radius for the size, a fill and border color, and a border width. We could draw each line one by one, but probably the most effective way to draw it is to draw a circle with a special dash property. There are many ways to draw these little lines. Now that we've established our foundations, let's start coding the watch itself. How to Make the Watch's Minute and Hour Hands If the two don't match then the image scales up or scales down. ![]() This means that one unit within the image will be one pixel in the browser. In this example, the size defined by width and height and the size defined by viewBox are the same. We set with the viewBox that the top-left corner should be the -100,-100 coordinate and both the width and height should be 200 units. The 0,0 coordinate is in the middle of the image. In this example, we center the coordinate system. Together with the size defined by the last two numbers, they form a coordinate system. The first two numbers of the property set the position at the top-left corner. The viewBox defines how these positions should be interpreted. ![]() Image elements are placed within the image by their position. We talked about the SVG tag itself, which defines the size of the image, and the placement of the image elements. In the previous article, we learned that SVG images can be inlined in an HTML document. You can also watch this article as a video with a bit more content. If you'd like to get a more general overview of SVGs, then check out my earlier article where we walk through the code of 7 simple SVG images. This tutorial is a bit more advanced, going in-depth with some of the less obvious SVG properties and focusing on animation with JavaScript. We will use SVG to paint the watch, and use JavaScript to animate the hands. In this example, we are going to create a watch. This means that we can animate parts of an image from code, make it interactive, or turn things around and generate graphics from data. Since SVG images can be inlined in HTML, we can manipulate them with JavaScript.
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