word.substr(1) is creating a new string from word starting on the character at index 1. So it's basically the whole word except the first character.
word.substr(1)
word
1
Example:
const str = "potato" const newStr = str.substr(1) // = "otato"
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word.substr(1)is creating a new string fromwordstarting on the character at index1. So it's basically the whole word except the first character.Example: