JavaScript concat string with backspace

Question

I have a function f similar to

function f(str){
    alert(\"abc\"+str);
}

Now, I want to use JavaScript special charecter \"\\b\" in such a

Answer 1

EDIT: I realized this may not be what the OP was looking for, but it is definitely the easier way to remove characters from the end of a string in most cases.

You should probably just use string.substring or string.substr, both of which return some portion of string. You can get the substring from 0 to the string's length minus 2, then concatenate that with "yz" or whatever.