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Event: Remove the event.which shim

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All supported browsers implement this property by themselves. The shim was only
needed for IE <9.

Fixes gh-3235
Closes gh-4765
Ref gh-4755

(cherry picked from commit 1a5fff4c16)
This commit is contained in:
Michał Gołębiowski-Owczarek 2020-08-26 14:10:33 +02:00 committed by Michał Gołębiowski-Owczarek
parent 3bae54aa50
commit 2bf9793efc
1 changed files with 2 additions and 32 deletions
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34
src/event.js
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@ -17,10 +17,7 @@ define( [
"use strict";
var
rkeyEvent = /^key/,
rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
var rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
function returnTrue() {
return true;
@ -749,34 +746,7 @@ jQuery.each( {
targetTouches: true,
toElement: true,
touches: true,
which: function( event ) {
var button = event.button;
// Add which for key events
if ( event.which == null && rkeyEvent.test( event.type ) ) {
return event.charCode != null ? event.charCode : event.keyCode;
}
// Add which for click: 1 === left; 2 === middle; 3 === right
if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
if ( button & 1 ) {
return 1;
}
if ( button & 2 ) {
return 3;
}
if ( button & 4 ) {
return 2;
}
return 0;
}
return event.which;
}
which: true
}, jQuery.event.addProp );
jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {