How to Add Elements to an Array in JavaScript

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

The following example will show you how to add one or more values to an array in JavaScript.
 

How to Add Elements to an Array in JavaScript

var languages = ["JavaScript", "CSS", "HTML"];
 
// Add a single value "PHP" to the languages array
languages.push("PHP");

console.log(languages);
// Output: ["JavaScript", "CSS", "HTML", "PHP"]
 
// Add multiple values to the languages array
languages.push("Python", "Java");
 
console.log(languages);
// Output: ["JavaScript", "CSS", "HTML", "PHP", "Python", "Java"]
 
// Display the array of languages and display all the values
for(var i = 0; i < languages.length; i++){
    document.write("" + languages[i] + "");
}

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