console 命令行工具 X clear

console

let area = document.getElementById("textarea");
area.onclick = function(){
    area.innerHTML = area.innerHTML + "<font style='color: red;font-weight: 500;'>@name</font>";
}

<!DOCTYPE html>
<html lang="en">
    <head>
        <title>测试</title>
    </head>
    <body>
        <div id="textarea" contenteditable="true">123</div>
    </body>
</html>