* * @param {string} text - The text to repeat * @param {number} count - Number of times */ function repeat (text, count) {return Array (count + 1). function documentation. Any function can be declared with function name return types and accepted input types. Sometimes this is acceptable, but sometimes it is better to assign a default value to the parameter: Description. A menu item named Format JSDoc @params will be added to the Edit menu. JavaScript functions do not check the number of arguments received. User Interface. @param / @arg / @argument The argument type (optional), enclosed in {}, the argument name, and a short description (with a space in between) To get an idea of how this would work when writing your own scripts, let's take this basic example: * @param inputParameters Optional map of parameter names to parameter values * that might be employed in the provided JavaScript script. JSDocParam is a 3rd-party package for Sublime Text that can be used to format JSDoc @param blocks.. Default Parameters. NOTE: as of 0.4.1, @param can document phpdoc.de-style, with optional $paramname. Overview. Primitive data types in JavaScript are string, number, Boolean, undefined, and null. The arguments object is a local variable available within all non-arrow functions. * @param iStart The item to start looking from (optional). * @return The index of the item in the array if found or … There is no key binding associated with this menu item, by default. * @param { string= } p2 - An optional param * @param { string } [p3] - Another optional param. In JavaScript, use @param values {number[]} for one-dimensional arrays, @param {number[][]} for two-dimensional arrays, and so on for more dimensions. // Parameters may be delcared in a variety of syntactic forms /** * @param {string} p1 - A string param. Javascript 2, due to be finalized by the end of 2013, will add optional strong typing. In this code, you see that several variables are created, given values, and then passed into a function. – Viesturs Feb 10 '13 at 18:26 a) I still think that is a bad idea and b) this won't … join (text)} This means you can take advantage of TypeScript's type checking in JavaScript, without having to convert your JavaScript code to TypeScript. You can refer to a function's arguments inside that function by using its arguments object. But obviously if you have many … For hand-authored JSON, ensure your parameter is specified as "repeating": true in your JSON file, as well as check that your parameters are marked as "dimensionality": matrix. If a function is called with missing arguments (less than declared), the missing values are set to undefined. I generally I try to find ways to make optional parameter(s) as the end parameter(s) so I can just not pass vs. undefined. 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