標籤：false htm 參數 3.1 實現 utf-8 charset inpu 技術分享
全選與反選相信在實際的開發中經常用到,下面demo一段代碼;
<!doctype html><html lang="en"><head> <meta charset="UTF-8"> <title>jq簡單實現全選與反選</title> <script src="jquery-3.1.0.js"></script></head><body><div id="dv"> <input type="checkbox"/><br/> <input type="checkbox"/><br/> <input type="checkbox"/><br/> <input type="checkbox"/><br/> <input type="checkbox"/><br/></div><hr/><input type="button" id="selectAll" value="全選"/><input type="button" id="noSelect" value="全不選"/><input type="button" id="select" value="反選"/><script> // 全選 $ ( ‘#selectAll‘ ).click ( function () { $ ( ‘#dv>input‘ ).each ( function ( i , v ) { //函數的參數可以不傳 this.checked = true;// return false; //return false可以跳出當前迴圈,此時函數只執行一次 } ) } ) // 全不選 $ ( ‘#noSelect‘ ).click ( function () { $ ( ‘#dv>input‘ ).each ( function ( i , v ) { this.checked = false; } ) } ) // 反選 $ ( ‘#select‘ ).click ( function () { $ ( ‘#dv>input‘ ).each ( function ( i , v ) { this.checked = ! this.checked; //此時的選中狀態與當前的相反 } ) } )</script></body></html>
jQuery簡單實現全選與反選
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