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Introduction to the push function in JS

2022-06-23 15:11:00 【Liujiayi_】

push( )
- This method can add one or more elements to the end of the array , And returns the new length of the array

- You can pass the element to be added as an argument to the method , In this way, these elements will be automatically added to the end of the array

- This method returns the new length of the array as the return value 

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      arr = [
        [1, 2, 3],
        [3, 4, 5],
        [5, 6, 7],
      ];

      var result = arr.push([3, 6, 7]);
      alert(arr);
      console.log("result=" + result);
    </script>
  </body>
</html>


 

 

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