select标签移动端兼容

select选中事件用change，（用click会执行两次）；

select标签对移动端的兼容：

.custom-select select {

width:100%; margin:0;

background:none;

border: 1px solid transparent;

outline: none; /* Prefixed box-sizing rules necessary for older browsers */

-webkit-box-sizing: border-box;

-moz-box-sizing: border-box;

box-sizing: border-box; /* Remove select styling */ appearance: none;

-webkit-appearance: none; /* Font size must the 16px or larger to prevent iOS page zoom on focus */ /* General select styles: change as needed */

font-family: helvetica, sans-serif;

font-weight: bold;

color: #444;

padding: .6em 1.9em .5em .8em;

line-height:1.3;}

.custom-select::after {

content: "";

position: absolute;

width: 0px;

height: 0px;

top: 50%;

right: 8px;

margin-top:-4px;

border:8px solid #929497;

border-width: 8px 5px 8px;

border-color: #929497 transparent transparent transparent;

z-index: 2;

pointer-events:none;

}