What does the "_" (underscore) symbol in Node.js mean? – stackoverflow.com

What does the "_" (underscore) symbol in Node.js mean? – stackoverflow.com

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I was playing in Node.js with some code when I noticed this thing: > 'hello world'.padEnd(20); 'hello world ' > 'hello world'.padEnd(20, _); 'hello worldhello wor' What does the ...

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