GeezerVison is showing github.com — doc: var -> let / const in events.md · nodejs/node@8a521fe
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Copy file name to clipboardExpand all lines: doc/api/events.md +5-5Lines changed: 5 additions & 5 deletions - Display the source diff
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| Original file line number | Diff line number | Diff line change |
|---|
@@ -98,7 +98,7 @@ listener will be invoked _every time_ the named event is emitted. |
98 | 98 |
|
99 | 99 | ```js |
100 | 100 | const myEmitter = new MyEmitter(); |
101 | | -var m = 0; |
| 101 | +let m = 0; |
102 | 102 | myEmitter.on('event', () => { |
103 | 103 | console.log(++m); |
104 | 104 | }); |
@@ -114,7 +114,7 @@ the listener is unregistered and *then* called. |
114 | 114 |
|
115 | 115 | ```js |
116 | 116 | const myEmitter = new MyEmitter(); |
117 | | -var m = 0; |
| 117 | +let m = 0; |
118 | 118 | myEmitter.once('event', () => { |
119 | 119 | console.log(++m); |
120 | 120 | }); |
@@ -491,7 +491,7 @@ Removes the specified `listener` from the listener array for the event named |
491 | 491 | `eventName`. |
492 | 492 |
|
493 | 493 | ```js |
494 | | -var callback = (stream) => { |
| 494 | +const callback = (stream) => { |
495 | 495 | console.log('someone connected!'); |
496 | 496 | }; |
497 | 497 | server.on('connection', callback); |
@@ -513,12 +513,12 @@ events will behave as expected. |
513 | 513 | ```js |
514 | 514 | const myEmitter = new MyEmitter(); |
515 | 515 |
|
516 | | -var callbackA = () => { |
| 516 | +const callbackA = () => { |
517 | 517 | console.log('A'); |
518 | 518 | myEmitter.removeListener('event', callbackB); |
519 | 519 | }; |
520 | 520 |
|
521 | | -var callbackB = () => { |
| 521 | +const callbackB = () => { |
522 | 522 | console.log('B'); |
523 | 523 | }; |
524 | 524 |
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