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Lodash _.pad


The lodash _.pad method is a utility function that helps create padded strings by adding characters to a string on either the left, right or both sides. Padding of strings is commonly used to create consistent text formatting in user interfaces, logs, and other output formats.

The _.pad method takes three arguments: the string to pad, the length of the final padded string, and an optional padding character or string. By default, the padding character is a single whitespace character.

Here's how to use the _.pad method to pad a string to a certain length on both sides with whitespace characters:

_.pad('lodash', 10); // '  lodash  '

In this example, the string 'lodash' is padded with two whitespace characters on either side to reach a length of 10. By default, this method adds whitespace characters, but you can also specify a custom padding character like this:

_.pad('lodash', 10, '-'); // '--lodash--'

In this example, the custom padding character '-' is used to pad the string 'lodash'.

If you only want to pad the string on the left or the right, you can use the _.padStart or _.padEnd methods, respectively.

Here's an example of the _.padStart method:

_.padStart('lodash', 10, '-'); // '-----lodash'

This method adds the custom padding character '-' to the beginning of the string 'lodash' until it reaches a length of 10.

And here's an example of the _.padEnd method:

_.padEnd('lodash', 10, '-'); // 'lodash-----'

This method adds the custom padding character '-' to the end of the string 'lodash' until it reaches a length of 10.

The lodash _.pad method is a useful utility function that helps create consistent text formatting in any output format that requires the use of padded strings.