Strings for JavaScript - Basic JavaScript Fast (29) | length, indexOf, includes, slice

Let's learn the use of strings in JavaScript. We can indicate a character in a string by specifying an index. We can find the length of a string. We can also search for a character by using the indexOf method, which gives us the index that character first appears starting from a given index. We can use includes method to know if a substring exists in a given string. The slice method can return a portion of a string whose position is determined by the starting and ending indices.

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