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Analysis of execution sequence examples of multiple $(document).ready()_jquery

WBOY
WBOYOriginal
2016-05-16 16:41:021609browse

This article illustrates the execution order of multiple $(document).ready() in the form of examples. It can be seen from the examples that the execution order of multiple $(document).ready() is not a simple sequential execution. It is related to Nesting levels also have a certain relationship. The specific example code is as follows: 

<html>
<head>
<script src="./jquery-1.9.0.min.js"></script>
<script type="text/javascript">
  $(function(){
    alert('1');
    $(function(){
      alert('2');
      $(function(){
        alert('3');
      });
    });


  });
</script>
<body>
TTTTTTTTTTTT
<script type="text/javascript">
  $(document).ready(function() {
    alert('4');
    $(function(){
      alert('5');
    });


  });
</script>
KKKKKKKKKKKK
<script type="text/javascript">
  $(function(){
    alert('6');
    $(document).ready(function() {
      alert('7');
    });


  });
</script>
</body>
</html>

Run alert and the display order is: 1, 4, 6, 2, 5, 7, 3
Readers can test and experience it themselves to deepen their understanding of the execution sequence of multiple $(document).ready().

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