Not out of the box. However, it’s easy to build by hand in many languages including JS. var operators = { ‘+’: function(a, b) { return a + b }, ‘<‘: function(a, b) { return a < b }, // … }; var op = ‘+’; alert(operators[op](10, 20)); You can use ascii-based names like plus, … Read more
This is not how you do things in Java. There are no dynamic variables in Java. Java variables have to be declared in the source code1. Depending on what you are trying to achieve, you should use an array, a List or a Map; e.g. int n[] = new int[3]; for (int i = 0; … Read more
Wrap them in {}: ${“file” . $i} = file($filelist[$i]); Working Example Using ${} is a way to create dynamic variables, simple example: ${‘a’ . ‘b’} = ‘hello there’; echo $ab; // hello there
Since ECMA-/Javascript is all about Objects and Contexts (which, are also somekind of Object), every variable is stored in a such called Variable- (or in case of a Function, Activation Object). So if you create variables like this: var a = 1, b = 2, c = 3; In the Global scope (= NO function … Read more