Experimental
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The onselectstart
property of the
GlobalEventHandlers
mixin is an EventHandler
that
processes selectstart
events.
The selectstart
event fires when the user starts to make a new text
selection on a webpage.
Syntax
object.onselectstart = functionRef;
Value
functionRef
is a function name or a function
expression. The function receives a FocusEvent
object as its sole
argument.
Examples
document.onselectstart = function() {
console.log('Selection started!');
};
For a full example, see our Key quote generator demo.
document.onselectstart = () => {
return false; // cancel selection
};
Specifications
Specification | Status | Comment |
---|---|---|
Unknown The definition of 'GlobalEventHandlers.onselectstart' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
BCD tables only load in the browser
See also
selectstart
event- Related event handler:
GlobalEventHandlers.onselectionchange