全选
function jsChCheck(objName) { $("input:checkbox[name='chkIdx']").each(function () { this.checked = objName.checked; }); } <input type="button" name="chkIdx" onclick='jsChCheck(this)' /> <input type="checkbox" name="chkIdx" />
function jsChCheck(objName) { $("input:checkbox[name='chkIdx']").each(function () { this.checked = objName.checked; }); }