JavaScript String slice() method

The slice() method in JavaScript is used to extract a part of a string, and return a new string. This method takes two arguments: the start index and the end index of the part of the string to extract. The slice() method extracts the part of the string between the start and end indices, and returns a new string with the extracted part.

Here is an example of how the slice() method works:

const string1 = 'Hello, world!';

const result = string1.slice(7, 12);

// the result will be: 'world'

In the code example above, we first declare a string called string1 that contains the text Hello, world!. We then use the slice() method to extract a part of the string1 string, starting at index 7 and ending at index 12. The slice() method takes two arguments: the start index and the end index of the part of the string to extract. In this case, we pass in the numbers 7 and 12 as the arguments to the slice() method.

As a result of calling the slice() method, the result variable will be set to 'world', which is the part of the string1 string that was extracted between the start and end indices. If the slice() method was called with start and end indices that were out of bounds, the result variable would be set to an empty string.

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