ionic——彩色range

.range input{

background:-webkit-gradient(linear,50%0%,50%100%,color-stop(0%,#ccc),color-stop(100%,#ccc));

background:linear-gradient(to right,#ff0000 0%,#ff00ff 14%,#0000ff 28%,#00ffff 46%,#00ff00 60%,#ffff00 75%,#ff0000 100%);//颜色随意改变

background-position:center;

background-size:98%4px;

background-repeat:no-repeat;

-webkit-appearance:none;

}