/** * Function that will remove the leading and trailing spaces. */function trim(str){ return( rtrim(ltrim(str)));}/** * Function that will remove the trailing spaces. */function rtrim(str){ re = /(s+)$/; return str.replace(re, "");}/** * Function that will remove the leading spaces. */function ltrim(str){ re = /^(s+)/; return str.replace(re, "");}