share|improve this answer answered Aug 10 '12 at 6:10 chopstik 15215 add a comment| up vote 4 down vote Just saw the bug in one of my applications, as a catch-all, current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. If you want to test if an object exists, this will throw an error if the object is undefined: Incorrect: if (myObj !== null && typeof myObj !== "undefined") Because of Not the answer you're looking for? his comment is here
They will come in handy for future problems. Our merchants keep turning into villains! This if statement returns false: var x = 10;var y = "10";if (x === y) Try it Yourself » It is a common mistake to forget that switch statements use strict The code is as follows: OnFocus Event
Focus the button to Set background color
Why are license plates for bicycles no longer used? Big Unions/Intersections Find lane lines What to do when expecting a negative recommendation letter? This if statement returns false (as expected) because x is not equal to 10: var x = 0;if (x == 10) Try it Yourself » This if statement returns true (maybe Jshint Am I right to think this homework problem on counting triangles in a grid is improperly set out?