随机颜色

/**
 * 随机颜色
 * @returns {string}
 */
function randomColor(){
    var color=["#FFB461","#75C699","#EE7F7B","#83B6E1","#DCDCDC","#FFB461","#75C699","#EE7F7B","#83B6E1","#DCDCDC"];
    var _index=Math.floor(Math.random() * color.length);
    // console.log(_index);
    return color[_index] ;
}