What's the simplest, library-free code for implementing array intersections in javascript? I want to write  intersection([1,2,3], [2,3,4,5])   and get  [2, 3]...
I've tried searching for a javascript function that will detect if two lines intersect each other.  The function will take the x,y values of both the start end points for each line (we'll call them line A and line B).  Is to return true if th...
I have two object literals like so:  var firstObject = {     x: 0,     y: 1,     z: 2,      a: 10,     b: 20,     e: 30 }  var secondObject = {     x: 0,     y: 1,     z: 2,      a: 10,     c: 20,     d: 30 }   I want to get the intersection of the k...
I have used the code in the following : http://www.amphibian.com/blogstuff/collision.html. in the html test file I have changed the the first triangle to   triangle1.addPoint({"x":-20, "y":-20}); triangle1.addPoint({"x":-20, &...
I would like to know if there is a way to find the intersection of a key value pair in an array of objects. Let's say you have an array of three objects which all have the same keys like this :       arrayOfObj = [     {         "a": 1,...
NB  This question is not a duplicate.. Other posts are looking for the intersection points and not intersection area  I am trying to detect the intersection area of 3 circles in order to process it differently than the non-intersection zone.  My circ...
How to write in javascript(w/wth JQuery) to find values that intersect between arrays?  It should be like   var a = [1,2,3] var b = [2,4,5] var c = [2,3,6]   and the intersect function should returns array with value {2}. If possible it could applica...
Is it possible in SVG, using any method, to call an even if two specific elements touch? Or would I have to code the long way, and figure out if their borders touch with complicated maths?...
I have polygon set. In this set some are exterior polygons and some may (or may not) be  holes. I don't know at this stage that which are polygon holes. I want to calculate the final polygon combining all the polygons including holes.   I thought...
I am trying to find when the element is on screen(trying to implement the infinite loader).  Bind the Observer for last item in the list and listening, unfortunately in chrome 62 mac 10.10 , call back is firing even the element which I am observing i...

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