Schlueterica

I found that I often have a little DHTML widget or something that might show up multiple times on the same page. If you approach that in an object-oriented way, that means that you’ve got a lot of little instances (daemons) running around handling each one, right? Then, I’d write a “manager” that […]

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Good news, everyone!
This function can be used to create an instance of an arbitrary class, and pass the list of arguments to the class’s constructor.
var spawn = function(cls, args) {
  if(!args instanceof Array) args = [args];
  var f=function(){};
  f.prototype=cls.prototype;
  f.prototype.constructor = cls;
  var obj = new f();
  cls.apply(obj,args);
  return obj;
};
Usage:
var myClass = function(a,b,c){ this.a=a; this.b=b; this.c=c; }
var myInstance = spawn(myClass,[1,2,3]); // same […]

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Today a fellow front-end engineer here at Yahoo! asked us for bits of real-world advice that we would give to up-and-coming front-end engineering students. He’s doing a talk at a school, and was curious about what we’ve learned. It struck me as a perfect idea for a blog post.
Any other front-end professionals out […]

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