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May 25th, 2018
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  1. //方法 1
  2. function a (x) {
  3. return x;
  4. }
  5. //方法 2
  6. var b = function (x) {
  7. return x;
  8. }
  9. //function 同时也支持以下的语法(匿名函数,闭包等):
  10. var a = function (x) {
  11. return function () { return x;}
  12. }
  13. var b = a(100);
  14. console.log( 100 === b() );
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