There are also disadvantages of JavaScript with Advantages, which are given below.

Less Secure
The JavaScript code executes on the client side so some viruses can occur in it. Because of this, JavaScript is not considered to be much secure.

Execution Vary
JavaScript offers different results on different browsers. But this is not the case with server side scripting languages. Browser side, whatever the server side script always gives the same result.

No Support for Network Applications
JavaScript can not work with applications, because there is no support available in JavaScript.

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