Description

Sets the starting point of selected text.

Syntax

<void> Selection.setStart(<number> start, [<EmptyRequestCallback> callback], [<ErrorCallback> errorCallback])

Parameters

Parameter	Description
start	The starting point of selected text.
callback	Optional. Is called when the operation completed.
errorCallback	Optional. Is called when the operation failed with an error.

Examples

The following example demonstrates Selection.setStart in a practical document-editing workflow. It sets the starting point of selected text.

function onTxError(error) {
    console.error("TX Text Control error:", error.msg);
    error.handled = true;
}

TXTextControl.selection.setStart(
    1,
    function() {
        console.log("set start completed.");
    },
    onTxError
);