Instance Analysis of JavaScript string string

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(1) string string

A string is a variable that stores characters such as "Bill Gates"

The string can be any text in quotation marks. You can use single or double quotation marks

Use single or double quotation marks, there is no difference

Single quotation marks do not nest single quotes. Double quotation marks are the same. If you want to be nested, you need to escape the quotation marks.

Var str = 'Sun WuKong'; / / single quotation mark string

Var str2 = 'Zhu Bajie'; / / A double quotation mark string

Other escape characters:

\ n represents a newline character

\ r indicates carriage return

\ t horizontal tab tab

\ 'single quotation marks

\ "double quotation marks

\\ backslash

\ uXXXX four-bit hexadecimal representation of unicode string

\ xXX two hexadecimal bits represent Latin characters

String concatenation:

Var str1 = "hello"

Var str2 = "world"

Var str = str1 + str2

Console.log (str); / / helloworld

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