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Jayaram Krishnaswamy

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Finding an element in a JavaScript array.

You can define an array in couple of different ways in JavaScript which essentially is a list of elements. In order to find whether a certain element exists or not, you need to use Array.includes() function as shown in the next example. The argument of this function is the element you want to know exists in the array. JavaScript is case sensitive.

Here is an example of a web page which you can test in your local IIS.

Here is what you see on the browser:

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More Stories By Jayaram Krishnaswamy

Jayaram Krishnaswamy is a technical writer, mostly writing articles that are related to the web and databases. He is the author of SQL Server Integration Services published by Packt Publishers in the UK. His book, 'Learn SQL Server Reporting Services 2008' was also published by Packt Publishers Inc, Birmingham. 3. "Microsoft SQL Azure Enterprise Application Development" (Dec 2010) was published by Packt Publishing Inc. 4. "Microsoft Visual Studio LightSwitch Business Application Development [Paperback] "(2011) was published by Packt Publishing Inc. 5. "Learning SQL Server Reporting Services 2012 [Paperback]" (June 2013) was Published by Packt Publishing Inc. Visit his blogs at: http://hodentek.blogspot.com http://hodentekHelp.blogspot.com http://hodnetekMSSS.blogspot.com http://hodnetekMobile.blogspot.com He writes articles on several topics to many sites.