如何運行過濾器：灰色;過濾器：所有瀏覽器中的灰度（100％）css

Question

-webkit-filter: grayscale(1); 
    -webkit-filter: grayscale(100%); -moz-filter: grayscale(100%); 
    -ms-filter: grayscale(100%); -o-filter: grayscale(100%); 
    filter: url(desaturate.svg#greyscale); 
    filter: gray; filter: grayscale(100%); 

如何運行filter：grey;過濾器：所有瀏覽器中的灰度（100％）css

Answer 1

跨瀏覽器css填充https://github.com/Schepp/CSS-Filters-Polyfill堆疊過濾器的額外啞鍵字符