[英]Angular2 Can I pass custom parameters to Host Listener event
Here is my current Host Listener 这是我当前的主持人监听器
@HostListener('document:myCustomEvent', ['$event'])
updateNodes(event) {
console.log(this.variable);
}
And I'm calling it here: 我在这里称呼它:
var event = document.createEvent("CustomEvent");
event.initCustomEvent('myCustomEvent', true, true,
true);
document.dispatchEvent(event); document.dispatchEvent(事件);
My question is, can I pass my custom parameters to updateNodes ? 我的问题是,我可以将自定义参数传递给updateNodes吗? For instance:
例如:
@HostListener('document:myCustomEvent', ['$event'])
updateNodes(event, param1, param2) {
console.log(this.variable);
console.log(param1);
console.log(param2);
}
Dispatch event this way: 通过这种方式调度事件:
var event = new CustomEvent(
'myCustomEvent',
{ detail: { 'param1': 1, 'param2': 2 } }
);
document.dispatchEvent(event);
and then 接着
@HostListener('document:myCustomEvent', ['$event', '$event.detail.param1', '$event.detail.param2'])
updateNodes(event, param1, param2) {
console.log(param1);
console.log(param2);
}
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