js 探究设置值与获取值是否相同

<!DOCTYPE html>
<html>
    <head>
        <meta charset=‘utf-8‘>
        <style>
            #d1 {
                position: absolute;
            }
        </style>
    </head>
    <body>
        <div id=‘d1‘></div>
        <script>
            var leftV = 961.5799713134766;
            console.log(‘set value : ‘, leftV);
            var div = document.getElementById(‘d1‘);
            console.log(‘target ele : ‘, div);
            div.setAttribute(‘left‘, leftV);
            console.log(‘get value : ‘, div.getAttribute(‘left‘));
        </script>
    </body>
</html>