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[クイズ]javascriptと仲良くなるための一歩　第４５話「this参照４」

JavaScript

Posted at 2017-08-31

問題

var x = 1;
var obj3 = {
           x:3,
           doit3: function(){ console.log("method is called." + x); }
          }
obj3.doit3(); //=> ?

答え

var x = 1;
var obj3 = {
           x:3,
           doit3: function(){ console.log("method is called." + x); }
          }
obj3.doit3(); //=> method is called.1

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