JavaScript Tutorials
JavaScriptA Simple yet Efficient JavaScript Switch
JavaScript has become the center of attention in the recent years because of its affiliation with Ajax. Since 2005 developers, software companies and almost every aspect of technology have been interested in this type of development language.
Eventually, changes of online experience were made and geared towards the proper use of Ajax. Because of the popularity of Ajax, the interest in JavaScript rose significantly.
The security challenges of JavaScript have even made this programming language a good topic for discussion among developers. Developers around the world are always looking for ways in building a highly efficient Ajax based application while ensuring security.
Another aspect of JavaScript that has provided an impact to the industry is its interactivity as well as the coding experience. There are key differences in JavaScript coding which has made the development of Ajax applications easier and better.
One of those differences in JavaScript is the simple coding called “Switch”.
The function switch is nothing more than a glorified “if-else” function. It is often used by JavaScript developers to add options to users as they interact with the website powered by JavaScript. Developers could add as many parameters as they could in switch function and expect that the code to be executed in a flawless manner.
What is even better with switch is that it is coding is really simple. The usually switch function starts this way:
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Switch is found at the start of the function to inform the browser of its intention. Most browsers today are able to read this type of function in JavaScript to this will not be a cause for concern. This simple command will enable the browser to prepare for different options that will be provided by the user.
But you do not just lay-out all options for the browser. You lay-out the option as cases and provide the alternative function for the browser to follow. It is almost the same with “if-else” but “case” is almost unlimited in options as any specific option of the users could be correctly interpreted and the right information will be provided. At the end of each case, “break” command should be added. This will ensure that each case is separated.
The coding will look like this way:
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Because of its simplicity, JavaScript developers could write as many options they prefer. However, best practice would suggest that seven cases should only be created (0-6) to ensure that JavaScript will be interpreted smoothly by most modern browsers.
The key difference of switch it “if-else” is not only in options but in ease in coding. As we have indicated, developers could easily point out any function to provide more options for users.
The logic syntax with the use of switch is even better because it provides better results which would lead to the preferred actions of users. That is why harnessing the power of switch is important to ensure better user interactivity with less coding.
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