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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                ## js實現倒計時同意按鈕 >效果如圖 ![](https://box.kancloud.cn/66c10bc984337580869929d3edcd76f8_434x160.gif) >html代碼 ``` <div class="box1"> <input type="button" id="btn" value="請仔細閱讀協議(5)" disabled=true> //disabled=true 按鈕無法點擊 </div> ``` >js代碼 ``` var oText = document.getElementById("text"); var oBtn = document.getElementById("btn"); var i = 4; /*setInterval(函數, 時間),實現定時器功能*/ var timer = setInterval(function(){ oBtn.value = "請仔細閱讀協議("+i+")"; if(i == 0){ oBtn.disabled = false; clearInterval(timer); oBtn.value = "同意"; } i--; }, 1000) ```
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                              哎呀哎呀视频在线观看