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The JavaScript Console groupEnd() method is used to close the innermost open group in the console. It does not take any arguments and does not return a value.

Here are some examples of how the groupEnd() method can be used in JavaScript code:

1. To close the innermost open group in the console, you can use the following code:

console.groupEnd();

2. To close multiple nested groups in the console, you can use the following code:

// create a new nested group in the console
console.group('Group 1');

// create another nested group in the previous group
console.group('Group 2');

// close the innermost group
console.groupEnd();

// close the outer group
console.groupEnd();

3. To close a group that was opened with the groupCollapsed() method, you can use the following code:

// create a new nested group in the console that is initially collapsed
console.groupCollapsed('Group Label');

// close the group
console.groupEnd();

Overall, the groupEnd() method provides a convenient way to close the innermost open group in the console. It can be useful for tasks such as closing groups that were opened with the group() or groupCollapsed() methods, or for other operations that require closing groups in the console.