[英]Pass data using jQuery Trigger event to a Change event handler?
Is there a way to pass data to a change
event via jQuery's trigger
method? 有没有办法通过jQuery的trigger
方法将数据传递给change
事件?
The issue here is that a click
event triggers the upload menu. 这里的问题是click
事件会触发上传菜单。 Once the image is selected, the change
event is fired, however. 选择图像后,会触发change
事件。 The data I passed into the trigger event's second parameter is passed to the click event, not to the change event. 传递给触发器事件的第二个参数的数据被传递给click事件,而不是传递给change事件。 In the example below, data
is undefined. 在下面的示例中, data
未定义。
Trigger Image Change 触发图像更改
$('.change_main_image').live('click', function() {
$('input[name=photo].change_uploader').trigger('click', ["some string"]);
});
Event Handler 事件处理程序
$('input[name=photo].change_uploader').live('change', function (e, data) {
alert(data); // undefined
//canvas resize and upload script
});
.live()
is deprecated. .live()
已弃用。 Use .on()
like this. 像这样使用.on()
。 And change
event should be triggered, not click
并且应该触发change
事件,而不是click
$('.change_main_image').on('click', function() {
$('input[name=photo].change_uploader').trigger('change', [{somedata:true}]);
});
$('input[name=photo].change_uploader').on('change', function (e, data) {
alert(data.somedata);
//canvas resize and upload script
});
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