if (tagName === "S" || tagName === "STRONG" || tagName === "EM" || tagName === "CODE") {
            let insertHTML = "";
            if (text.substr(0, offset) !== "" && text.substr(0, offset) !== Constants.ZWSP || previousHTML) {
                insertHTML = `<${tagName}>${lastTagName}${previousHTML}${text.substr(0, offset)}${lastEndTagName}</${tagName}>`;
            }
            if ((commandName === "bold" && tagName === "STRONG") ||
                (commandName === "italic" && tagName === "EM") ||
                (commandName === "inline-code" && tagName === "CODE") ||
                (commandName === "strikeThrough" && tagName === "S")) {
                insertHTML += `${lastTagName}${Constants.ZWSP}<wbr>${lastEndTagName}`;
                jump = true;

            if (range.toString() === "" && (commandName === "bold" || commandName === "italic" 
                || commandName === "strikeThrough" || commandName === "inline-code")) {
                let tagName = "strong";
                if (commandName === "italic") {
                    tagName = "em";
                } else if (commandName === "strikeThrough") {
                    tagName = "s";
                } else if (commandName === "inline-code")   {
                    tagName = "code";
                }