I'm looking to create an associative array in JS, but use constants defined as part of the class as indices.  The reason I want this is so that users of the class can use the constants (which define events) to trigger actions.  Some code to illus...

I'm designing some classes and for some data I want to use fields that are constant.  Now, AS USUAL, IE does not support the key const so  const T = 10;   not work.  I could create a property via __defineGetter__ and __defineSetter__ to mime that...

In Java, I consider it a best practice to replace string literals with a constant variable any time they are used in more than one place and expected to match.  For example, if you're going to set a cookie and then later read it back, the name of...

What I want to do is to use as many immutable variables as possible, thus reducing the number of moving parts in my code. I want to use "var" and "let" only when it's necessary.  This won't work:  function constParam(const a){...

If so, what is the syntax for such a declaration?...

I don't know if theres even a value in this.  I'm just curious if it is possible?  Question:  if it's possible and what are the syntax for   initializing a const field in constructor in typescript?`  export class Gulpfile {   private dist...

Is it possible to simulate constants in Javascript using closures? If so, can you please furnish me with an example?...

How to create constants file like: key - value in ReactJs,  ACTION_INVALID = "This action is invalid!"   and to use that in other components  errorMsg = myConstClass.ACTION_INVALID;...

I would like to be able to define a constant that is in the global scope from within a function. With a normal variable this would be possible by defining it outside the function and setting its' value from within the function as shown below:  va...

I've seen some proposals for ECMAScript Harmony in terms of being able to specify constants with the keyword const. However, it seems to be only available in block scopes (i.e., FunctionBody and Program). Is there a way to define constants as an...