I've been looking on info about self-invoking functions, and somewhere I stumbled on this notation:(我一直在寻找有关自调用函数的信息，在某个地方我偶然发现了这种表示法：)
+function(){}
Can someone explain to me what the + sign in front of the function means/does?(有人可以向我解释该功能前面的+号是什么意思吗？)
ask by jOpacic translate from so
与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
