Stack Overflow for Teams is a private, secure spot for you and Some functions don't return a significant value, but others do. There is an example at the end of the post how you might break up the examples that we go over below. The following should work "stand-alone" on all modern browsers without any dependencies or transpilation. If you don’t have a specific reason for why you want to do it this way, then you should read the next few sections of this post as well. Since you've said it's a minifier: The very small possible benefit the minifier might have gotten there is if this is part of a conditional block: It can save one or two characters. If you liked this post and want to learn more about JS then you can check out this guide on how to get the current URL using JS and this on using JavaScript to get input. JavaScript | Split a string with multiple separators, Create a string with multiple spaces in JavaScript, Call multiple JavaScript functions in onclick event, Round off a number to the next multiple of 5 using JavaScript. First use of an incandescent light in an un-crewed spacecraft? JavaScript functions can return a single value. The push() method adds new items to the end of an array, and returns the new length. First check out how you can achieve it, but also make sure to read the section on how to improve on your code. Perhaps a neater way of returning more than one value is to use an Object. Making statements based on opinion; back them up with references or personal experience. Here, the return statement is without using the expression, so it returns undefined. Or more precisely: it returns true if the object prototype contains the word "Array". Do any other countries take as long as the US to transfer government power following an election? Are there any examples in D&D lore (all editions) of metallic or chromatic dragons switching alignment? It is not allowed to use a line terminator between the return keyword and value. Definition and Usage. This is actually what I suspected but it just seemed strange that the first two statements don't appear before the return statement if they aren't going to be returned. Why is changing the size of the Supreme Court considered dangerous today, when it has been done in the past? How to call a function that return another function in JavaScript ? However, you can get the similar results by returning an array containing multiple values. How to obtain multiple select options when serializing Form data in javascript (vanilla or jQuery)? Example 1: This example returns the array [“GFG_1”, “GFG_2”] containing multiple values. How to get raw content from a string including carriage return ? What's worse is that you can put all that on one line. The cumbersome part of course when assigning the values that come back to variables. How to convert an array of strings to keyed object in javascript/lodash. After the execution of the above code, the output will be -. Follow me on Twitch, going to start streaming soon I have not come across this pattern before but have been looking at the Bing Maps Ajax Control and have noticed this pattern several times. Note that the order we define those in const [age, name] = getDetails() matters. So instead of having one function return the sum and the average of a series of numbers, we are going to create individual functions for each of them. JavaScript Trying to make a clock for html, can't tell what's broken, Loop through ListView for matching calendar selectedDate, Overriding jQueryUI dialog widget inner method. How can I safely install applications which aren't distributed via the Mac App Store? Get values from multiple selections in SELECT. But we can return them in form of Array and Object. Object.keys, values, entries . We'll cover all of these below. Here, we are returning the result of the product of two numbers and returned back the value to the function caller. Use 15 year old Zippo Lighter Fluid (naphtha). @FunkyFresh84: A minifier wouldn't be doing its job if it didn't save a character wherever it can safely do so. Note, selectedOptions has wonky behavior on some browsers from around 5 years ago, so a user agent sniff isn't totally out of line here. In most cases, returning multiple values is the wrong thing to do. I don't really see how it would make any difference. How to get the javascript function parameter names/values dynamically? brightness_4 It can be written as -. How to Combine multiple elements and append the result into a div using JavaScript ? JavaScript | Replace multiple strings with multiple other strings, JavaScript SyntaxError - Return not in function. close, link rev 2020.9.24.37673, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide.
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