To see whether a string is greater than another, JavaScript uses the so-called “dictionary” or “lexicographical” order. In other words, strings are compared letter-by-letter. The algorithm to compare two strings is simple: Compare the first character of both strings.

Can I use == to compare strings in JavaScript?

Generally, if the strings contain only ASCII characters, you use the === operator to check if they are equal. When the strings contain characters that include combining characters, you normalize them first before comparing them for equality.

Can we use == for string comparison?

In String, the == operator is used to comparing the reference of the given strings, depending on if they are referring to the same objects. When you compare two strings using == operator, it will return true if the string variables are pointing toward the same java object. Otherwise, it will return false .