The function of the cell membrane is to let things in and out of the cell. It's like a gate to the cell. Prokaryotic and eukaryotic cells have cell membranes.
JavaScript is also used in environments that are not web-based, such as PDF documents, site-specific browsers, and desktop widgets. Newer and faster JavaScript virtual machines (VMs) and platforms built upon them have also increased the popularity of JavaScript for server-side web applications.avaScript is also used in environments that are not web-based, such as PDF documents, site-specific browsers, and desktop widgets. Newer and faster JavaScript virtual machines (VMs) and platforms built upon them have also increased the popularity of JavaScript for server-side web applications.
You may notice that in some of the screenshots above you can also enable and disable Java in your web browser. JavaScript is a scripting language that is normally used in web pages and runs on your computer when your browser displays a page.The ability to run JavaScript is built in to almost all web browsers. Java is a programming language that is far more capable than JavaScript.ou may notice that in some of the screenshots above you can also enable and disable Java in your web browser. JavaScript is a scripting language that is normally used in web pages and runs on your computer when your browser displays a page.