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Since .className is a string, you can use the string includes() method to check if your .className includes your class name: element.className.includes("class1")
The includes() method returns true if a string contains a specified string. Otherwise it returns false. The includes() method is case sensitive.
9 sie 2023 · The includes() method of String values performs a case-sensitive search to determine whether a given string may be found within this string, returning true or false as appropriate.
25 lip 2024 · Some of the most-used operations on strings are to check their length, to build and concatenate them using the + and += string operators, checking for the existence or location of substrings with the indexOf () method, or extracting substrings with the substring () method.
5 lis 2021 · In JavaScript you can use the .includes() method to see if one string is found in another. But how does it work exactly? In this article, I will walk you through a few code examples of the JavaScript string method called .includes().
29 sie 2016 · Check if a string contains another string in just one line of code in JavaScript with the includes method.
In JavaScript, includes() is a string method that determines whether a substring is found in a string. Because the includes() method is a method of the String object, it must be invoked through a particular instance of the String class.
