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Update index.md (#30265)

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Added a point in Disadvantages.
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deathwarden150
2019-02-21 05:29:17 +05:30
committed by Christopher McCormack
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guide/english/javascript/advantages-and-disadvantages-of-javascript/index.md
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@ -21,3 +21,4 @@ Like all computer languages, JavaScript has certain advantages and disadvantages
* **Client-Side Security**. Because the code executes on the user's computer, in some cases it can be exploited for malicious purposes. This is one reason some people choose to disable Javascript.
* **Browser Support**. JavaScript is sometimes interpreted differently by different browsers. Whereas server-side scripts will always produce the same output, client-side scripts can be a little unpredictable. Don't be overly concerned by this though - as long as you test your script in all the major browsers you should be safe. Also, there are services out there that will allow you to test your code automatically on check-in of an update to make sure all browsers support your code.
* **Browser Optionality**. Most browsers come with features to disable JavaScript, and your website or application may not work properly if it is disabled.
* **Script Visibility**. JavaScript code is always visible to everyone.