Replace function `` error in the javascript

Question

I have a problem with the string symbol error, I want replace this symbol , but it doesn't work. My sample code javascript like below the coding:

I am doing below this testing, cannot alert the message

var file_name = "C:fakepathclaim 20210121 1754.sql";
var bbb = file_name.replace("C:fakepath", "123");
alert(bbb);

question from:https://stackoverflow.com/questions/65839379/replace-function-error-in-the-javascript

Answer 1

Backslash begins escape sequences, you need to double them to make them literal.

var file_name = "C:\fakepath\claim 20210121 1754.sql";
var bbb = file_name.replace("C:\fakepath", "123");
alert(bbb);