It's been a while since I wrote a front-end-related development article. LOL I hope everyone is careful not to catch a cold or get sick due to the sudden change in weather!

|Features of HTML5_4|

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• web standardization : Most people used MS Explorer until a few years ago. However, because of this, MS only applied Explorer's browser technology rather than standard technology. One of them is the famous ActiveX. In Korea's web environment, Active But the trend has changed. The discontinuation of Explorer led to the discontinuation of support due to the diversification of Chrome, and most Croian browsers became a popular trend. With the popularization of the Windows environment, changes to the OS operating system are not expected, but as the use of Apple devices has increased, the market share of Firefox browser and Apple's Safari, which already had a high market share, has also led to public institutions switching to eliminating the need for ActiveX. (However, intermediate guarantee agencies are coming in. EX: TouchEn Key)