The String includes() method

Find out all about the JavaScript includes() method of a string

Check if a string includes the value of the string passed as parameter..

'JavaScript'.includes('Script') //true
'JavaScript'.includes('script') //false
'JavaScript'.includes('JavaScript') //true
'JavaScript'.includes('aSc') //true
'JavaScript'.includes('C++') //false

includes() also accepts an optional second parameter, an integer which indicates the position where to start searching for:

'a nice string'.includes('nice') //true
'a nice string'.includes('nice', 3) //false
'a nice string'.includes('nice', 2) //true

Download my free JavaScript Beginner's Handbook and check out my JavaScript Course!

👀 Sign up to my premium courses 🔥