按钮button倒计时
//按钮倒计时 var wait = 7; document.getElementById("refreshParentBtn").onclick = function() { time(this); } function time(o) { if (wait == 0) { o.removeAttribute("disabled"); o.innerHTML = "一键刷新"; wait = 7; } else { o.setAttribute("disabled", true); o.innerHTML = "请稍后..(" + wait + ")"; wait--; setTimeout(function() { time(o) }, 1000) } }
<button type="button" id="refreshParentBtn" class="btn btn-primary btn-sm" data-dismiss="modal">点我刷新后倒计时</button>