> I implemented word processors, and I've used a technique called 'double buffering' to rerender complete pages off-screen, fast. Node trees can be created wit

> I implemented word processors, and I've used a technique called 'double buffering' to rerender complete pages off-screen, fast. Node trees can be created without attaching them to a document. Then the whole tree can be attached with one call, There’s no need to attach nodes individually. I don’t know why anyone would want to do that.