移动web端禁止长按a标签，弹出“在浏览器中打开”菜单

-webkit-touch-callout: none;

$(‘a‘).ontouchstart = function(e) { 
    e.preventDefault(); 
};

<div class="jump">链接</div>
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
<script>
    $(‘.jump‘).on(‘touchstart‘, function () {
        location.href = "";
    })
</script>

.jump {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}