New String Methods

built-in Javascript methods to parse strings and analyze them, along with examples

We'll cover the following

Some popular checks that can be done with regular expressions are now possible in a more semantic way. Here are some functions that we can use:

Function Name Syntax Output
startsWith s1.startsWith(s2) true if and only if s1 starts with s2
endsWith s1.endsWith(s2) true if and only if s1 ends with s2
includes: s1.includes(s2) true if and only if s2 is a substring of s1
repeat s.repeat(n) replicates s n times, and joins them


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