concat

Discover the different ways JavaScript provides for appending an item to an array and learn about the recommended approach. Appending a Single Item In order to append a single item to an array, you can make use of the push() method offered by the Array object. Here’s an example: const fruits = ['banana', 'pear', 'apple']; fruits.push('mango'); It’s important to note that push() modifies the original array. If you want to create a new array instead of modifying the original one, you can employ the concat() method of the Array object....

In JavaScript, the concat() method is used to concatenate strings. It combines the current string with the string passed as a parameter. Usage Example Here’s an example to demonstrate the usage of the concat() method: console.log('Flavio'.concat(' ', 'Copes')); // Output: Flavio Copes In this example, the concat() method is used to concatenate the string ‘Flavio’ with the string ‘Copes’. The result is the combined string ‘Flavio Copes’. Concatenating Multiple Strings The concat() method can also concatenate multiple strings together....