Cosmi

Following objects have been introduced in javascript: Date Arrays Map Set Strings Strings There are 3 types of quotes. Backticks allow a string to span multiple lines and embed expressions. Strings in JavaScript are encoded using UTF-16. We can use special characters like  \n  and insert letters by their unicode using  \u... . To get a character , use:  [] . To get a substring , use:  slice  or  substring . To lowercase/uppercase a string , use:  toLowerCase/toUpperCase . To look for a substring, use :  indexOf , or  includes/startsWith/endsWith  for simple checks. To compare strings according to the language , use:  localeCompare , otherwise they are compared by character codes. There are several other helpful methods in strings: str.trim()  – removes (“trims”) spaces from the beginning and end of the string. str.repeat(n)  – repeats the string  n  times. …and more. See the ...