我能否在笼罩的隐蔽场所使用bl吗? 如果没有,我如何追踪隐蔽领域的变化
How to get a selected text inside a iframe. I my page i m having a iframe which is editable true. So how can i get the selected text in that iframe.
我能否在笼罩的隐蔽场所使用bl吗? 如果没有,我如何追踪隐蔽领域的变化
隐蔽的田地是隐蔽的,用户可以看到它能够改变的东西。 只有网页作者/文字才能改变其价值,如果是,你可以利用<代码>change活动跟踪变化。
$( #hidden_id ).change(function(){
alert( Changed Value: + $(this).val());
});
页: 1
<<>change 活动发生时,控制披露投入重点(蓝色),其价值自重点得到调整。
http://www.w3.org/TR/html401/interact/scripts.html#adef-onchange。
但你可以做如下工作:Sarfraz suggested。 添加换文活动之后,每当你改变隐藏的类型投入的价值时,就明确启动。
变换活动手在隐蔽的输入领域做工。 你们可以做的是这些事情(没有检测!):
function hiddenOnChange(elem, function) {
if ($(elem).val()!=$(elem).getAttr( oldVal )) {
function;
}
$(elem).attr( oldVal , $(elem).val());
window.setTimeout(function(){hiddenOnchange(elem, function);}, 100);
}
将这一职能与你的隐蔽投入领域和交换职能联系起来。 通过比较外地的“现值”价值和以前储存的价值,重新调整了兑换功能。 如果情况没有改变,它就会在100米乌拉进行重新检查;如果情况确实发生变化,它将履行你的职责(我希望;)
希望这一帮助。
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