JavaScript String Methods
- * split()
- * substring()
- * charAt()
- * concat()
- * includes()
- * indexOf()
- * replace()
- * toLowerCase()
- * toUpperCase()
- * trim()
- endsWith()
- localeCompare()
- match()
- padEnd()
- padStart()
- repeat()
- search()
- slice()
- startsWith()
- substr()
- toLocaleLowerCase()
- toLocaleUpperCase()
- valueOf()
* = Most used methods