events: improve for-loop

gengjiawen · BridgeAR · commit 8b0164aa264f · 2019-03-12T20:57:42.000+01:00
PR-URL: #26354 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Beth Griggs <Bethany.Griggs@uk.ibm.com>
diff --git a/lib/events.js b/lib/events.js
@@ -390,10 +390,7 @@ EventEmitter.prototype.removeAllListeners =
 
 // Emit removeListener for all listeners on all events
 if (arguments.length === 0) {
- var keys = Object.keys(events);
- var key;
- for (i = 0; i < keys.length; ++i) {
- key = keys[i];
+ for (const key of Object.keys(events)) {
 if (key === 'removeListener') continue;
 this.removeAllListeners(key);
 }

-Original file line number
+Diff line change
 // Emit removeListener for all listeners on all events
 if(arguments.length===0){
 -varkeys=Object.keys(events);
 -varkey;
 -for(i=0;i<keys.length;++i){
 -key=keys[i];
 +for(constkeyofObject.keys(events)){
 if(key==='removeListener')continue;
 this.removeAllListeners(key);
+}