How to Remove Items from an Array that Don't End with a Specific Character in JavaScript скачать в хорошем качестве

How to Remove Items from an Array that Don't End with a Specific Character in JavaScript

Discover the easiest way to filter out array items that don't end with a specified character in JavaScript. Follow our step-by-step guide to streamline your coding process. --- This video is based on the question https://stackoverflow.com/q/62761886/ asked by the user 'Quinten Althues' ( https://stackoverflow.com/u/12874234/ ) and on the answer https://stackoverflow.com/a/62761948/ provided by the user 'David Zambrano' ( https://stackoverflow.com/u/4577709/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Remove all items from an array that don't end in X Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- How to Remove Items from an Array that Don't End with a Specific Character in JavaScript When working with arrays in JavaScript, you might encounter situations where you need to filter out certain items based on specific conditions. One such common task is to remove objects from an array that do not meet certain criteria, like not ending with a specific character. In this guide, we will focus on how to remove all items from an array that do not end with the letter X. The Problem Consider a scenario where you have an array of objects. Here's an example of such an array: [[See Video to Reveal this Text or Code Snippet]] You want to filter this array so that only the objects whose name property ends with X remain in the array. In this example, only "item2X" meets this criterion. The Solution To achieve this, we can utilize the filter method available in JavaScript. The filter method creates a new array with all elements that pass the test implemented by the provided function. Steps to Filter the Array Understand the Data Structure: The original array contains objects with various properties. In our filtering process, we are particularly interested in the name property of these objects. Use the filter Method: By applying the filter method, we can evaluate each object in the array to see if its name property ends with X. Check the Ending Character: We will use the endsWith() method of the string to check if the name ends with X. Example Code Here’s how this can be implemented in JavaScript: [[See Video to Reveal this Text or Code Snippet]] Explanation of the Code items.filter(...): This line calls the filter function on the items array. item => item.name.endsWith('X'): The arrow function checks if the name property of each object ends with X. filteredItems: This variable will hold the new array with the filtered results, only containing items that meet the condition. Final Output After running the above code, filteredItems would return: [[See Video to Reveal this Text or Code Snippet]] This shows that all objects not meeting the condition have been successfully removed. Conclusion Filtering an array to keep only those items that meet specific criteria is a common task in JavaScript. Using the filter method along with the endsWith() function provides a clean and efficient solution to remove items from an array that do not end with a specified character. By following the steps mentioned above, you can easily adapt this approach to suit your own implementation needs. Happy coding!