Problems with nested Java and JavaScript double quotes

Double quotation marks cannot be nested in double quotes, or a pair of double quotes will end.

Nested double quotation marks in Java need to be escaped:

Public class test{          public static  void main (String[] args) {            string str1 =  "\" name\ "";//String containing double quotes              String str2 =  "name \" is\ " WGB";//The middle of the string contains double quotes              String str3 =  "\\name";// You can also use escape characters to include other characters in the string                         system.out.println ("String One:"  + str1);            system.out.println ("string two:"  + str2);            system.out.println ("string Three:"  + STR3);        }  &nbSP;} 

When JavaScript represents a string, you can use double quotation marks or single quotes

When stitching the JS string, double quotation marks must be single quotation marks inside, single quotation marks in the double quotation marks. So loop! But all double quotes are also possible, that is, double quotes inside the double quotes need to escape!

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Problems with nested Java and JavaScript double quotes