function test() { | |
// Array.prototype.push -> Set -> [[Set]] | |
var set = []; | |
var p = new Proxy([], { set: function(o, k, v) { set.push(k); o[k] = v; return true; }}); | |
p.push(0,0,0); | |
return set + '' === "0,1,2,length"; | |
} | |
if (!test()) | |
throw new Error("Test failed"); | |