JSView shows all .js and .CSS files included in a web page. After installation, It can be accessed via Right-Click context menu. Just open the webpage and then Right-click to access the JSView add-on. All java scripts and stylesheet files present on the webpage are listed neatly in JSView. These files can be opened and checked for their content. Common .js files include Google adsense files, wordpress default scripts and other plugin java scripts.
In case you find an unusual file or anything suspicious, just Google it by name and you will know if it is a genuine file or a Malware. Early detection of Malware is also critical for your security on web and the website’s reputation and security.