What are JavaScript's builtin strings?

Question

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UPDATE I created a JSFiddle that builds an obfuscated string out of your input

Answer 1

In chrome, the expression ([]+/-/[(!!1+[])[1>>1]+(!!1+[])[1<<1^1]+(!1+[])[1|1<<1]+(!!1+[])[1^1]]) evaluates to "function test() { [native code] }", the [1^11<<1] evaluates to 23 (bitwise operators cause the variable to be truncated to 32 bits)