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JavaScript在引擎方面的执行过程

 1 year ago
source link: http://muyunyun.cn/blog/l1m72o6p/
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JavaScript在引擎方面的执行过程







(0, function (arg) { ... })(this)



[comma operator](The comma operator evaluates each of its operands (from left to right) and returns the value of the last operand.)









(0, fn)() === fn()









var global = 'outer';



(() => {



  var global = 'inner';



  eval('console.log("call directly:" + global)');



  (0, eval)('console.log("call directly:" + global)');



// call directly:inner



// call directly:outer

        

        

            

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