scss 输入占位符crossbrowser mixin sass

Posted 2021-05-18

@mixin placeholder {
  &::-webkit-input-placeholder {
    @content;
  }
  &:-moz-placeholder {
    /* Firefox 18- */
    @content;
  }
  &::-moz-placeholder {
    /* Firefox 19+ */
    @content;
  }
  &:-ms-input-placeholder {
    @content;
  }
}