JS一行代码实现随机颜色

"#" + parseInt(Math.random() * 0xffffff).toString(16)

"#" + Math.floor(Math.random() * 0xffffff).toString(16)

"#" + Math.round(Math.random() * 0xffffff).toString(16)

"#" + Math.random().toString(16).slice(-6);

加入透明色

'#' + parseInt(Math.random() * 0xffffffff).toString(16)