Js string slice9/11/2023 Below is the code that will extract the first three letters of the book1, book2, and book3 variable using the js slice method: let book1 = "Sticks and Stones" She has three strings called book1, book2, and book3 respectively, and wants to extract just the first three letters of each in order to later alphabetize them on her blog. She wants to sort the books alphabetically by the title of the book. Scenario: Susie owns and maintains a blog reviewing books. Here is what would show in the console for the above code: Username: JohnSmith Code language: Bash ( bash ) Real-World Example Two let empName = "Johnathan Smith" Ĭonsole.log( "Username: " + username) Code language: JavaScript ( javascript ) Below is an example of how to take a variable called empName and use the JavaScript Slice method in order to generate an employee’s username. The usernames are the first four letters of the employee’s first name combined with the first four letters of an employees last name. Scenario: You own a business that requires employees to login with a username and a password. end is the index of where you want to stop extraction on your string.beginning is the index of where you want to begin extraction on your string (reminder: always start at 0).slice is the name of the method you are using.stringName refers to the name of the string variable you want to use the slice() function on.Altogether, the syntax looks like the keywords below: All you need is the beginning index of where you want to start extracting, and the ending syntax for the ending of the word or phrase you want to extract. Using the js slice (JavaScript Slice) method for a string is simple. You only want to extract the first word in this string for your website, which in this case is “Big”. You have a website that you are designing that randomly generates names for people based off a bunch of random strings. For example, say you have a string called ‘boatName’ and it has a value of “Big Bertha”. The JavaScript Slice method allows users to extract a specified part of a string and returns the value extracted. Learn TypeScript Part 1 - TypeScript Overview What Does Javascript Slice Do?
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