Okay, so, the problem I am facing is this: my mobile Firefox browser is not retrieving the correct values for window.innerWidth, document.documentElement.clientWidth, or even the width of a div styled to take up the whole client window after page loa...

This is a hypothetical question, it really doesn't have a practical use, but...  Let's say you were to do:  document.open = null;   How would one restore document.open to its original functionality, is this possible (without user-made tempora...

I found out that if you define .toJSON() function for an object, then it's used to stringify an object, rather than default. Is there a way to ignore this overridden function and run the default stringify process?...

My current typescript version is 1.6.2 and we compile it to ECMA 5. I am new to TypeScript so please be understanding. These are the imported library typings.   redux-thunk.d.ts:      declare module "redux-thunk" {     import { Middleware, Di...

but very simply, I'd like to prevent the touchmove event on the body element but leave it enabled for another element. I can disable fine... but I'm not sure how to re-enable it somewhere else!  I imagine that the below theoretically works be...

Is it possible to specify non-primitive defaults for props in React, that are not shared across all instances?  Since the result of getDefaultProps() is cached and reused for all instances, it is not a safe place to specify non-primitive defaults.  H...

I have a nested option object in javascript. What is the best way to provide default values for them?  Custom javascript object read from a json file with ajax:  {   "fields": {     "markdown": {       "preview": {         ...

I wrote a select tag (have default selected) and take the option value to trigger another js function:    var selectElement = document.getElementById("sel");  function somefunction() {   console.log(selectElement.value); }; <select id="...

Lets say I have a function like this  function functionName(parameter = 5) {  }   Is it possible to check inside the function if the value of that parameter has been changed? I mean, if someone calls the function like this "functionName()" th...

I have the following recursive compose function:    const compose = (f, n = 1) => n > 1 ?     compose(compose(f), n - 1) :     g => x => f(g(x));  const length = a => a.length;  const filter = p => a => a.filter(p);  const countW...