Using the JavaScript unshift() method you can add one or more elements to the beginning of a given array. This method overwrites the original array and returns the new length of the array.
array.unshift(item1, item2, ..., itemX)JavaScript array unshift
Simple example code.
<!DOCTYPE html>
<html>
<body>
<script>
const array1 = [1, 2, 3];
console.log(array1.unshift(4, 5));
console.log(array1.unshift(6));
console.log(array1);
</script>
</body>
</html> Output:
More examples
var languages = ["JavaScript", "Python", "Java", "Lua"];
var count = languages.unshift("C++");
console.log(languages); // [ 'C++', 'JavaScript', 'Python', 'Java', 'Lua' ]
console.log(count); // 5Do comment if you have any doubts or suggestions on this Array topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version
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