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How to Append Values to an Array in JavaScript

Topic: JavaScript / jQueryPrev|Next

Answer: Use the push() Method

You can simply use the JavaScript push() method to append values to an array.

The following example will show you how to append single or multiple values to an array in JavaScript.

  • <script>
  • var persons = ["Harry", "John", "Clark"];
  •  
  • // Append a single value to persons array
  • persons.push("Peter");
  •  
  • console.log(persons);
  • // Prints: ["Harry", "John", "Clark", "Peter"] 
  •  
  • // Append multiple values to persons array
  • persons.push("Rohn", "Alice");
  •  
  • console.log(persons);
  • // Prints: ["Harry", "John", "Clark", "Peter", "Rohn", "Alice"]
  •  
  • // Loop through persons array and display all the values
  • for(var i = 0; i < persons.length; i++){
  •     document.write("<p>" + persons[i] + "</p>");
  • }
  • </script>

See the tutorial on JavaScript arrays to learn more about manipulating arrays in JavaScript.


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