css 在焦点上清除搜索表单输入占位符文本

Posted 2021-05-13

.search-form input[type="search"]:focus::-webkit-input-placeholder { color:transparent; }
.search-form input[type="search"]:focus:-moz-placeholder { color:transparent; } /* Firefox 18- */
.search-form input[type="search"]:focus::-moz-placeholder { color:transparent; } /* Firefox 19+ */
.search-form input[type="search"]:focus:-ms-input-placeholder { color:transparent; } /* oldIE ;) */