别人的代码有这么一段,连语法都看不懂,求教
b.onload = b.onerror = b.onreadystatechange = function()
{
/ loaded | complete | undefined / .test(b.readyState) && (
b.onload = b.onerror = b.onreadystatechange = null, b.parentNode.removeChild(b), b = void 0, a())
};
/loaded|complete|undefined/.test(xxx) 这一段怎么意思??
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FROM 59.108.126.*