標籤：color htm 計時 script element doc fun title 發送
擷取手機驗證碼倒計時
<!DOCTYPE html><html> <head> <meta charset="utf-8"> <title>擷取驗證碼</title> <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" /> </head> <body> <input type="button" id="btn" value="擷取驗證碼" /> <script type="text/javascript"> var wait = 60; function time(o) { if(wait == 0) { o.removeAttribute("disabled"); o.value = "重新擷取驗證碼"; wait = 60; } else { o.setAttribute("disabled", true); o.value = "重新發送(" + wait + ")"; wait--; setTimeout(function() { time(o) },1000); } } document.getElementById("btn").onclick = function() { time(this); } </script> </body></html>
擷取手機驗證碼倒計時那些事
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