Go語言開發的JavaScript解釋器：otto

這是一個采用原生Go語言開發的JavaScript分析器和解釋器。

// Create a new runtime
Otto := otto.New()

Otto.Run(abc = 2 + 2
    console.log("The value of abc is " + abc)
    // The value of abc is 4)
value, err := Otto.Get("abc")
{
    // value is an int64 with a value of 4
    value, _ := value.ToInteger()
}
Otto.Set("def", 11)
Otto.Run(console.log("The value of def is " + def)
    // The value of def is 11)
Otto.Set("xyzzy", "Nothing happens.")
Otto.Run(console.log(xyzzy.length) // 16)
value,  = Otto.Run("xyzzy.length")
{
    // value is an int64 with a value of 16
    value,  := value.ToInteger()
}
value, err = Otto.Run("abcdefghijlmnopqrstuvwxyz.length")
if err != nil {
    // err = ReferenceError: abcdefghijlmnopqrstuvwxyz is not defined
    // If there is an error, then value.IsUndefined() is true
    ...
}</pre> 
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