javascript深入理解js闭包

http://cache.baiducontent.com/c?m=9d78d513d99b00b8599d830e0e01a1610e24827448a6c4523f8a9c12d52219564615fea662675513d3b2243706ac5e5c9dac61342a5060f1c099d61dc0bb942b2d8b30340746c01e&p=882a9544d09f50b31eb8c7710f5380&newp=ce769a4781d01cff57ed9578445282231610db2151d0db1f28c7ce&user=baidu&fm=sc&query=js%B1%D5%B0%FC&qid=b362041b0000f0c3&p1=1

说实在的没看懂，以后再参考些文章看吧。