Strings: correction in class

strings.js

@@ -37,8 +37,15 @@ if (dna.includes('CAT')) {
 else {
 	console.log('CAT not found');
 }
+/* andere oplossing*/
+if (dna.indexOf('CAT') > -1) {
+	console.log('CAT found');
+}
+else {
+	console.log('CAT not found');
+}
 
-console.log(dna.slice(4 * 4, (5 * 4) - 1));
+console.log(dna.slice(16, 19));
 
 console.log(`The DNA strand is ${dna.length} characters long.`);
 
@@ -48,6 +55,7 @@ let language = 'JavaScript'
 console.log((language.slice(0, 1)) + language.slice(4, 5));
 
 console.log(language[0] + language[4]);
+/* console.log(language.replace('ava','').replace('cript',''));*/
 
 console.log(`The abbreviation for 'JavaScript' is '${language[0] + language[4]}'.`);