Selection: addRange() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨July 2015⁩.

The Selection.addRange() method adds a Range to a Selection.

Syntax

js
addRange(range)

Parameters

range

A Range object that will be added to the Selection.

Return value

None (undefined).

Examples

Note that only Firefox supports multiple selection ranges. In this example, other browsers will not add new ranges to the selection if it already contains one.

HTML

html
<p>
  I <strong>insist</strong> that you <strong>try</strong> selecting the
  <strong>strong words</strong>.
</p>
<button>Select strong words</button>

JavaScript

js
let button = document.querySelector("button");

button.addEventListener("click", () => {
  const selection = window.getSelection();
  const strongElems = document.getElementsByTagName("strong");

  if (selection.rangeCount > 0) {
    selection.removeAllRanges();
  }

  for (const node of strongElems) {
    const range = document.createRange();
    range.selectNode(node);
    selection.addRange(range);
  }
});

Result

Specifications

Specification
Selection API
# dom-selection-addrange

Browser compatibility

See also

  • Selection, the interface this method belongs to