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JavaScript outputs single quotes and double quotes in complex nested environments_javascript skills

WBOY
WBOYOriginal
2016-05-16 18:52:261404browse
Nesting of quotation marks

The ASCII code of single quotation mark ' is 39 and the ASCII code of double quotation mark " is 34, so we can use the form of xx; to replace the specific symbol. Although It becomes the form of xx;, but you still have to be careful in a nested environment. The quotation marks used in alert() in the code here are single quotation marks, and the string in alert should escape the single quotation marks. ' form. Otherwise, escape "

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