I have a simple html block like:  <span id="replies">8</span>   Using jquery I'm trying to add a 1 to the value (8).  var currentValue = $("#replies").text(); var newValue = currentValue + 1; $("replies").tex...

Consider empty JavaScript array:  var a = []; alert(a == false); // shows true alert(!a); // shows false!   How to explain this? What are the rules?...

I have a type  type Rating = 0 | 1 | 2 | 3 | 4 | 5 | number   Now I want to do something like this.  let myRating:Rating = 4 let rate:number = myRating as number   How can I cast my myRating into number primitive type?  It is giving me error as:...

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All:  Here is the information about my development environment:  MongoDB 3.0.0  MongoDB C# Driver Version 1.7.0.4714  Microsoft Visual Studio Professional 2013  .NET Framework 4.0  Here is one of the POCO Classes that is used in our project:      pub...

function Person() {       var self = this;        self.personName="";       self.animals=[]; }  function Animal(){      var self=this;       self.animalName="";      self.run=function(meters){          .....      } }   Server response...

This is all in the context of a larger program, so Im going to try  keep it simple, showing the offending lines only. I have an array of values that are numbers in string form a la "84", "32", etc.   Yet THIS line  console.log(unsolve...

I have noticed that PHP and JavaScript treat octal and hexadecimal numbers with some difficulty while type juggling and casting:  PHP:  echo 16 == '0x10' ? 'true' : 'false'; //true, as expected echo 8  == '010'  ? '...

Let's say I have x = 12.345. In javascript, what function floatToInt(x) has the fastest running time such that floatToInt(12.345) returns 12?...

Tested in Firefox:  a = [] + 0; b = 0;  alert(a); // 0 alert(b); // 0  alert(!a); // false alert(!b); // true...