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Explained why you may want to comment code out. (#21204)

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* Explained why you may want to comment code out.

* Update index.md
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Eme-rald
2018-11-16 09:14:26 -08:00
committed by Paul Gamble
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guide/english/javascript/comments/index.md
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@@ -53,7 +53,7 @@ function addTwoNumbers(num1, num2) {
}
console.log(addTwoNumbers(10,20)) // will print 30 in the console.
You can also prevent execution of Javascript code just commenting the code lines like this:
In some cases you may want to prevent code from running for debugging purposes. For example:
```javascript
function hello() {
/*console.log("Hello world!");*/