JavaScript: String.prototype.includes
New in JS2015.
str.includes(searchString)
-
Return
true
if str contains searchString. Else, returnfalse
. str.includes(searchString , position)
- Start search at position.
const g = "abcd"; console.log( g.includes("cd") ); // true console.log( g.includes("cd", 3) ); // false console.log( g.includes("x") ); // false