禁止选中文字

参考：https://www.cnblogs.com/telwanggs/p/8818627.html

<div class="noselect"></div>


<style>
.noselect {
      -webkit-touch-callout: none; /* iOS Safari */
      -webkit-user-select: none; /* Chrome/Safari/Opera */
      -khtml-user-select: none; /* Konqueror */
      -moz-user-select: none; /* Firefox */
      -ms-user-select: none; /* Internet Explorer/Edge */
      user-select: none; /* Non-prefixed version, currently
      not supported by any browser */
    }
</style>