jQuery解除绑定然后绑定 [英] JQuery Unbind and then bind

问题描述

我已经找到了很多与此主题相关的示例.但是，我并没有完全理解.我的逻辑看起来正确吗?我有一个div作为按钮(.myClass的类)，除非myCount> = 1，否则我不希望它可单击.

I've found lots of examples on this topic.. however, I do not fully understand. Does my logic seem correct? I have a div as button (class of .myClass) and I don't want it clickable unless myCount >= 1.

// I want to unbind if myCount == 0
if ( myCount == 0) {
 $('.myClass').unbind().css("opacity","0.5");
} else {
 // **would this rebind?**
 $('.myClass').click(callMyFunction);
}

推荐答案

您可以在on()中使用命名空间事件. bind()已被弃用.

You could use namespaced events, with on(). bind() has been deprecated.

var foo = function () { ... }

if (myCount)
  $('.myclass').on('click.foo', foo)
else
  $('.myclass').off('.foo')

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