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This article mainly introduces "javascript quotation string syntax is what", in daily operation, I believe many people in javascript quotation string syntax is what the problem is there are doubts, small make up consult all kinds of information, sort out simple and easy to use operation method, hope to answer "javascript quotation string syntax is what" doubts helpful! Next, please follow the small series to learn together!

1. Quotation string "abc"

Single quote string 'abc'

There is no difference between double quotation marks and single quotation marks. The only difference between them is that under the use of single quotation marks, single quotation marks can be used as ordinary characters in double quotation marks, while double quotation marks can be used as ordinary characters in single quotation marks.

2. The inverted quotation mark `abc` is the key to the left of the 1 key on our keyboard. At present, this symbol is not very common, and precisely because this character is not commonly used, it is very suitable for syntax structure.

examples

//double quotes character regular expression "(?: [^"\n\\\r\u2028\u2029]|\\(?: [''\\bfnrtv\n\r\u2029\u2029]|\r\n)|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\[^0-9ux'"\\bfnrtv\n\\\\r\u2028\u2029])*" //single quote character regular expression'(?: [^'\n\\\r\u2028\u2029]|\\(?: [''\\bfnrtv\n\r\u2029\u2029]|\r\n)|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\[^0-9ux'"\\bfnrtv\n\\\r\u2028\u2029])*' This is the end of the study of" what is the syntax of javascript quotation strings ". I hope to solve everyone's doubts. Theory and practice can better match to help everyone learn, go and try it! If you want to continue learning more relevant knowledge, please continue to pay attention to the website, Xiaobian will continue to strive to bring more practical articles for everyone!

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