Chrome (maybe Safari?) fires “blur” twice on input fields when browser loses focus

Question

Here is an interesting jsfiddle.

In Firefox:

1. Run the fiddle
2. Click in text input
3. Click somewhere else. Should say \"1 bl

Answer 1

Skip 2nd blur:

var secondBlur = false;
this.onblur = function(){
    if(secondBlur)return;
    secondBlur = true;
    //do whatever
}
this.onfocus = function(){
    secondBlur = false;    
    //do whatever
}