eval这个里面到底是什么意思

text6789 2015-04-02 11:19:15

eval(function(p, a, c, k, e, r) {
e = function(c) {
return (c < 62 ? '': e(parseInt(c / 62))) + ((c = c % 62) > 35 ? String.fromCharCode(c + 29) : c.toString(36))
};
if ('0'.replace(0, e) == 0) {
while (c--) r[e(c)] = k[c];
k = [function(e) {
return r[e] || e
}];
e = function() {
return '([6-9a-gj-lnoq-yA-Z]|[12]\\w)'
};
c = 1
};
while (c--) if (k[c]) p = p.replace(new RegExp('\\b' + e(c) + '\\b', 'g'), k[c]);
return p
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看不懂这个具体里面的功能js是什么作用的。希望能代码导读。谢谢

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