We will look at what CSS selectors to use to change an HTML5 inputs placeholder color. This can differ from browser to browser, so, we will make sure to cover all of the cases. /* Chrome, Opera, Safari */ ::-webkit-input-placeholder { color: #ff6600;
$('#box').html();//获取 html 内容$('#box').text();//获取文本内容,会自动清理 html 标签$('#box').html('<em>www.li.cc</em>');//设置 html 内容$('#box').text('<em>www.li.cc</em>');//设置文本内容,会自动转义 html标签$('#box').html($('#box').html() + '<em>www.li.cc&l