How to display multiple lines in javascript alert box in java_javascript tips

If directly in the javascript code, display multiple lines and add directly Just fine:

Copy code The code is as follows:

alert("First line The second line");

But in java code, n is not possible, To display multiple lines! ! !

Copy code The code is as follows:

String strTemp="Historical answer report: " "You answered the question correctly" RdData.getCcnt() "question\n" "You have" RdData.getBcnt() "the question was not answered\n" "You answered the question incorrectly" RdData.getWcnt() " ";
out.print("<script> alert('" strTemp "');window.location='index.jsp'</script>");

First Declare a String variable (note that the line break is \n!!!), and then put it in the alert. After the end, the page jumps to the homepage.

This is the test result:

This is the special character code in javascript:

Copy code The code is as follows:

Code Outputs
' single quote
" double quote
\ backslash
n new line
r carriage return
t tab
b backspace
f form feed