[JavaScript] JavaScript通过function定义对象并给对象添加toString()方法 →→→→→进入此内容的聊天室

来自 , 2019-05-07, 写在 JavaScript, 查看 108 次.
URL http://www.code666.cn/view/3ba716f4
  1. <script type="text/javascript">
  2. function movieToString() {
  3.    return("title: "+this.title+"  director: "+this.director);
  4. }
  5. function movie(title, director) {
  6.    this.title = title;
  7.    this.director = director;
  8.    this.toString = movieToString; //assign function to this method pointer
  9. }
  10.    var aliens = new movie("Aliens","Cameron");
  11.    document.write(aliens.toString());
  12. </script>
  13.  
  14. //javascript/8330

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