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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
                1.checkbox 的默認選中 checkbox控件 在不設置checked 屬性時候是默認不選中的! 但是在設置了checked屬性的時候是默認選中的,不管你設置屬性值 是false、還是true都會選中! 即使你設置 `<input type="checkbox" id="checkbox1" checked="false">isGood</input>` <input type="checkbox" id="checkbox1" checked="false">isGood</input> 網頁打開的時候checkbox默認也是選中的!! 而你設置checked屬性的時候是默認不選中的!! js控制checkbox是否選中的代碼: ~~~ function check() { document.getElementById("check1").checked=true } function uncheck() { document.getElementById("check1").checked=false } ~~~
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