When working with JavaScript, you may encounter the need to clear all objects from a certain data structure or array. Clearing all objects from an array is a common task when you want to reset or empty it for further use. There are several methods you can use to achieve this in JavaScript. One of the simplest ways to clear all objects from an array is by reassigning the array with an empty array. For example, if you have an array named 'myArray', you can clear all its objects by simply assigning it to an empty array like this: myArray = []. Another method to clear all objects from an array is by using the 'length' property. You can set the length of the array to 0, which effectively empties the array and clears all objects. This can be done like this: myArray.length = 0. When it comes to clearing objects from a plain JavaScript object, you can use the 'Object.keys()' method to get all the keys of the object and then use the 'forEach()' method to delete each key. Here's an example of how you can achieve this: const myObject = { key1: 'value1', key2: 'value2', key3: 'value3' }; Object.keys(myObject).forEach(key => delete myObject[key]); This code snippet will clear all objects from the 'myObject' and leave it empty. You can also use the 'Object.assign()' method to clear all objects from an object by assigning it an empty object. Here's an example: myObject = Object.assign({}, myObject); This will clear all objects from 'myObject' and leave it empty. Additionally, if you're working with objects inside an array, you can use the 'splice()' method to remove all objects while keeping the array structure intact. You can achieve this like so: myArray.splice(0, myArray.length); This will remove all objects from 'myArray' and leave it empty. In conclusion, there are various techniques and methods you can use to clear all objects from arrays and plain JavaScript objects in JavaScript. By understanding and implementing these methods, you can effectively reset and empty data structures for further use in your applications.