Function quote

lib/preloadjs-NEXT.js:1360–1380

(value)

        // `Quote(value)` operation defined in ES 5.1 section 15.12.3.
        var unicodePrefix = "\\u00";
        var quote = function (value) {
          var result = '"', index = 0, length = value.length, useCharIndex = !charIndexBuggy || length > 10;
          var symbols = useCharIndex && (charIndexBuggy ? value.split("") : value);
          for (; index < length; index++) {
            var charCode = value.charCodeAt(index);
            // If the character is a control character, append its Unicode or
            // shorthand escape sequence; otherwise, append the character as-is.
            switch (charCode) {
              case 8: case 9: case 10: case 12: case 13: case 34: case 92:
                result += Escapes[charCode];
                break;
              default:
                if (charCode < 32) {
                  result += unicodePrefix + toPaddedString(2, charCode.toString(16));
                  break;
                }
                result += useCharIndex ? symbols[index] : value.charAt(index);
            }
          }
          return result + '"';
        };

        // Internal: Recursively serializes an object. Implements the
        // `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.