jquery:event.stopImmediatePropagation() 与返回 false [英] jquery: event.stopImmediatePropagation() vs return false
问题描述
在事件处理程序中调用 event.stopImmediatePropagation() 和 return false 有什么区别吗?
Is there any difference between calling event.stopImmediatePropagation() and return false inside an event handler ?
推荐答案
是的，它们是不同的.
return false 和调用两者基本一样，<代码>event.stopPropagation() 和 <代码>event.preventDefault().
return false is basically the same as calling both, event.stopPropagation() and event.preventDefault().
而 event.stopImmediatePropagation() 与 event.stopPropagation() plus 相同，防止在同一元素上执行其他已注册的事件处理程序.因此它不会阻止事件的默认操作，例如点击链接.
Whereas event.stopImmediatePropagation() is the same as event.stopPropagation() plus preventing other registered event handlers on the same element to be executed. So it does not prevent the default action for an event, such as following a clicked link.
简而言之:
stop | prevent | prevent "same element"
bubbling | default action | event handlers
return false Yes Yes No
preventDefault No Yes No
stopPropagation Yes No No
stopImmediatePropagation Yes No Yes
return false 也适用于普通"JavaScript 事件处理程序
return false also works in "normal" JavaScript event handlers
event.stopPropagation() 和 event.preventDefault() 也适用于普通"JavaScript 事件处理程序(在 W3C 兼容浏览器中)，而 event.stopImmediatePropagation() 是 jQuery 的扩展(更新: 显然它是 DOM Level 3 Events 规范).
event.stopPropagation() and event.preventDefault() also work in "normal" JavaScript event handlers (in a W3C compatible browser), whereas event.stopImmediatePropagation() is an extension from jQuery (update: apparently it is part of the DOM Level 3 Events specification).
注意: return false 不会阻止事件在正常"(非-jQuery) 事件处理程序(参见 这个答案)(但仍然阻止默认操作).
Note: return false does not prevent the event from bubbling up in "normal" (non-jQuery) event handlers (see this answer)(but still prevents the default action).
也许值得一读:
这篇关于jquery:event.stopImmediatePropagation() 与返回 false的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
