Selection.getRangeAt() - Web APIs 编辑

Experimental

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The Selection.getRangeAt() method returns a range object representing one of the ranges currently selected.

Syntax

range = sel.getRangeAt(index)

Parameters

index

The zero-based index of the range to return. A negative number or a number greater than or equal to Selection.rangeCount will result in an error.

Return value

The specified Range object.

Example

let ranges = [];

sel = window.getSelection();

for(let i = 0; i < sel.rangeCount; i++) {
 ranges[i] = sel.getRangeAt(i);
}
/* Each item in the ranges array is now
 * a range object representing one of the
 * ranges in the current selection */

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Selection, the interface it belongs to.
• Tree Selection (for the getRangeAt() method on the nsITreeSelection interface)