How to add html dotted line code

There is no built-in dotted line attribute in HTML. The methods to add a dotted line are: Use the CSS border-style property to create a dotted, dotted or double-line border. Use SVG to define a dotted line pattern and apply it to the border. JavaScript dynamically creates dashed lines by manipulating element styles and using the CSS dashed property

How to add dashed lines to HTML documents

## There is no built-in dash attribute in #HTML. To add a dashed line to an HTML document, you can use one of the following methods:

Using CSS properties

Using CSS

border-style properties can be created Dashed border. This property accepts the following values:

• dashed: Creates a dashed border
• dotted: Creates a dotted border
• double: Create a double-line border, where the inner line is a dotted line

<p style="border: 1px dashed blue;">这是虚线边框段落。</p>

Using SVG

SVG is an XML-based vector graphic language. Dashed lines can be created by defining a dash pattern and applying it to the border.

<svg height="100" width="100">
  <defs>
    <pattern id="dashed-line" patternUnits="userSpaceOnUse" width="10" height="10">
      <path d="M 0 0 L 10 0" stroke="blue" stroke-width="1" stroke-dasharray="5 5" />
    </pattern>
  </defs>
  <rect x="0" y="0" width="100" height="100" fill="none" stroke="url(#dashed-line)" stroke-width="1" />
</svg>

Using JavaScript

You can also use JavaScript to dynamically create dotted lines. This involves manipulating the element's style and using the CSS

dashed property.

var element = document.getElementById("my-element");
element.style.border = "1px dashed blue";

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