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Selection API: setBaseAndExtent() throws IndexSizeError for too large offsets

Category

DOM

Type

New or changed feature

Status

Enabled by default (Chrome 58)

Intent stage

None

Summary

setBaseAndExtent() silently clamped too large offset values. IndexSizeError should be thrown for such values to match to Firefox, Edge, and the specification.

Standards & signals

• Specification: https://www.w3.org/TR/selection-api/#selection-interface
• Firefox: Shipped/Shipping
• Safari: No signal
• Web developers: No signals
• Tracking bug: http://crbug.com/691422

View on chromestatus.com