用JS改变HTML图像和样式

转自:https://www.cnblogs.com/zhangmingzhao/p/7256697.html

function changeimage()
        {
            element = document.getElementById("img");
            if (element.src.match("bulbon"))
            {
                element.src = "./eg_bulboff.gif";
            }
                else
                 {
                    element.src = "./eg_bulbon.gif";
                }

        }

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转载自blog.csdn.net/luo4566/article/details/86736020