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Update util.md for ES6 extends code example #8183

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Update util.md for ES6 extends code example #8183

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69ae3ae
Update util.md
shaikh-shahid Aug 19, 2016
a8a4d1d
Highlighting keywords + adding code markdown
shaikh-shahid Aug 19, 2016
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24 changes: 24 additions & 0 deletions doc/api/util.md
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Expand Up @@ -165,6 +165,30 @@ stream.on('data', (data) => {
stream.write('It works!'); // Received data: "It works!"
```

ES6 example using class and extends
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class and extends are keywords in JavaScript, so suggest highlighting these two words :-)


```
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The code class js or es6 is missing?

const util = require('util');
const EventEmitter = require('events');

class MyStream extends EventEmitter {
constructor() {
super();
}
write(data) {
this.emit('data', data);
}
}

const stream = new MyStream();

stream.on('data', (data) => {
console.log(`Received data: "${data}"`);
});
stream.write('With ES6');

```

## util.inspect(object[, options])

* `object` {any} Any JavaScript primitive or Object.
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