Is there a way to let a javascript function know that a certain parameter is of a certain type? Being able to do something like this would be perfect: function myFunction(Date myDate, String mySt...

Aug 18, 2021 · if you want to enforce an specific data type you need to explicitly write that /** * looks for an specific item of the list. * * @param {Array<string>} data Array to search from. * …

Feb 4, 2016 · By defining function you can create something like class. function Apple (type) { this.type = type; this.color = "red"; this.getInfo = getAppleInfo; } Then you can create new …

Jul 11, 2017 · When it is necessary to check the type of a variable in javascript, the typeof function can be used to determine a variable's type. However, it returns 'object' for arrays and …

Jan 18, 2015 · @nnnnnn: I know that, but that doesn't imply the algorithm doesn't expect a certain type. Even in extremely dynamically typed languages like bash shell, one must make contracts …

Dec 18, 2012 · jQuery.type({}) this will return "object" (assosiative array) but jQuery.type([]) this will return "array" while native javascript typeof will return object in both cases. – Kashif …

In ES2015, parameter destructuring can be used to simulate named parameters. It would require the caller to pass an object, but you can avoid all of the checks inside the function if you also …

From ES6/ES2015, default parameters are in the language specification. function read_file(file, delete_after = false) { // Code } just works. Reference: Default Parameters - MDN. Default …

May 18, 2010 · I'd like to call a function using an array as parameters: const x = ['p0', 'p1', 'p2']; call_me(x[0], x[1], x[2]); // I don't like it function call_me (param0, param1 ...

Aug 12, 2015 · I was trying to pass a string to a JavaScript function. As it's mentioned here - Pass a string parameter in an onclick function I'm using this simple code- &lt;!DOCTYPE html&gt; …