In which you analyse at least two of the current trends and issues with JavaScript in terms of Web development and deployment. In your analyses, describe the trends/issues and explain why and how they exist. Additionally, provide specific examples of the trends' applications as well as why the issues noted are considered issues. You must also evaluate whether you think existing JavaScript security issues/concerns play any part in the existence of these trends/issues.
Word limit : 500
Please use 3 or more reference using Harvard referencing.