Watermark processing technology realized based on WEB

The invention discloses a watermark processing technology realized based on WEB, which adopts an API (Application Program Interface) of native JavaScript, provides a set of complete watermark function which can be used by a framework of the JavaScript, breaks the inflexible, invariable and the like of the watermark function on the market, has an engraving type watermark function, improves the data security, protects the intellectual property and improves the brand image, is simple and easy to use, and has a wide application prospect. The extension condition of the watermark should be fully considered, the comprehensive performance of the watermark in various projects is ensured, the watermark calling can be conveniently formed and can be smoothly realized at an access party, various watermark dynamic display is compatible across browsers, the digital copyright is protected through a watermark system, and a brand image is established through the watermark system. The content can be effectively prevented from b