//定义"改变颜色"的函数 function ChangeColor() { var ele = document.getElementById("txt"); ele.style.color = "red"; ele.style.backgroundColor = "black"; } //定义"改变宽高"的函数 function ChangeSize() { var ele = document.getElementById("txt"); ele.style.width = "300px"; ele.style.height = "300
0 回答
举报
0/150
提交
取消
