event.screenX 和外部 Javascript

发布于 2024-11-04 07:05:31 字数 770 浏览 5 评论 0原文

我目前正在尝试使用“

function getCursor(event) {
    event.screenX;
    event.screenY;
}

我知道您可以通过使用类似于

的内容来检索光标的坐标不过，我目前正在尝试使用纯外部 javascript 文件，并附加如下事件：

element.onmousemove = getCursor
//or
element.onmousemove = function() {getCursor(parameters)}

我如何能够引用这些函数附加到的事件？

提前感谢您的帮助！

注意：我不使用 jQuery 或任何其他 javascript 库

更新

MDC nvm！想通了。实际上您根本不必传递参数。只要您有 function getCursor(event) {}，element.onmousemove = getCursor 就可以很好地工作。抱歉>_<。

双倍更新！

阅读 Sime 的评论/回答

原文

I'm currently trying to retrieve the coordinates of the cursor using

function getCursor(event) {
    event.screenX;
    event.screenY;
}

I know you can reference this event by using something similar to

<div onmousemove="getCursor(event)"></div>

However I am currently trying to use a purely external javascript file and am attaching events like so:

element.onmousemove = getCursor
//or
element.onmousemove = function() {getCursor(parameters)}

How would I be able to reference the event that these functions are attached to?

Thank you in advance for any help!

note: I do not use jQuery or any other javascript library

Update

MDC nvm! figured it out. You actually don't have to pass the param at all. element.onmousemove = getCursor works great as long as you have function getCursor(event) {}. Sorry bout that >_<.

Double Update!

Read Sime's comment/answer

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沫尐诺 2024-11-11 07:05:31

开始吧：

element.onmousemove = function(e) {
    e = e || window.event;    
    getCursor(e);
}

事件对象作为第一个参数自动传递到事件处理函数中。 Internet Explorer 8 及更低版本除外 - e = e || window.event; 也将使其在这些版本的 IE 中工作。

现场演示： http://jsfiddle.net/simevidas/DteK8/

Here you go:

element.onmousemove = function(e) {
    e = e || window.event;    
    getCursor(e);
}

The event object is passed as the first argument into the event handler function automatically. The exception is Internet Explorer 8 and below - e = e || window.event; will make it work in those versions of IE too.

Live demo: http://jsfiddle.net/simevidas/DteK8/

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