Syntax

insertItemBefore(newItem, index)

Parameters

newItem

The string to add to the list.

index

A non-negative integer that specifies the index of the item to insert the new item before.

Return value

The string that was added to the list.

Exceptions

NoModificationAllowedError DOMException

Thrown if the SVGStringList corresponds to a read-only attribute or when the object itself is read-only.

Specifications

Browser compatibility