If the substring is found, then it returns the index of the characters that can be the start and end of the specified strings.
Parallelly we use another method like indexof() is used to validate and check the string-like substring indexes and this method will always return the -1 if the string does not contain the substring on the user screen. It offers many ways but the most important and canonical way includes the () method this method will be used and supported for other modern browsers except internet explorer. Like that string is one of the most important features and it has many ways for to check the string contains like substring etc. The day-to-day \ updates are more when compared to the other script languages. Generally, the typescript and JavaScript contain many features and frameworks, other libraries to implement the application in more trends. Based on the user requirement we can use the above methods. Like that we can use other methods like search(), indexof(), etc. The above codes are the basic syntax for finding the logic for string contains with the help of the includes() method. some typescript code logics depends on the requirement. data type(var, local, const etc) variable name= string values Ĭonditional loops(variable name.includes('string values')) Among these string contains is one of the features and it can implement the user’s data as the simplest and fastest way to check and validate the string datas like substring or other logic we need to implement it by using the string default methods. The string class and their default methods are used to access and implement the application based on the user inputs like string, integer formats. Web development, programming languages, Software testing & others
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