function Background(url, size){ b.style.background = url=='w' ? '#888786 url(/images/123/123.jpg) no-repeat' : '#888786 url(/images/qwe/qwe.png) no-repeat 50% -20%'; b.style.backgroundSize = size; return true; }
Primitive value returned from constructor will be lost when called with 'new' 更少... (Ctrl+F1)
Checks that function recognized as constructor does not return primitive values. When called with new , this value will be lost and object will be returned instead. To avoid warnings, you can explicitly specify function's return type with @return tag
从构造函数返回原始值将丢失时,称为'新'更少…(Ctrl + f1) 检查作为构造函数确认的函数不返回原始值。当调用新的,这个值将丢失,对象将返回。为了避免警告,您可以显式地指定函数返回类型
英文翻译我看不懂。。。
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