如何在 JavaScript 中捕获右键单击事件？
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How can I capture the right-click event in JavaScript?
提问by Giffyguy
I want to block the standard context menus, and handle the right-click event manually.
我想阻止标准上下文菜单，并手动处理右键单击事件。
How is this done?
这是怎么做的？
回答by Chase
Use the oncontextmenuevent.
使用oncontextmenu事件。
Here's an example:
下面是一个例子：
<div oncontextmenu="javascript:alert('success!');return false;">
Lorem Ipsum
</div>
And using event listeners:
并使用事件侦听器：
el.addEventListener('contextmenu', function(ev) {
ev.preventDefault();
alert('success!');
return false;
}, false);
Don't forget to return false, otherwise the standard context menu will still pop up.
不要忘记返回false，否则仍然会弹出标准上下文菜单。
If you are going to use a function you've written rather than javascript:alert("Success!"), remember to return false in BOTH the function AND the oncontextmenuattribute.
如果要使用自己编写的函数而不是javascript:alert("Success!")，请记住在函数和oncontextmenu属性中都返回 false 。
回答by cyber-guard
I think that you are looking for something like this:
我认为你正在寻找这样的东西：
function rightclick() {
var rightclick;
var e = window.event;
if (e.which) rightclick = (e.which == 3);
else if (e.button) rightclick = (e.button == 2);
alert(rightclick); // true or false, you can trap right click here by if comparison
}
(http://www.quirksmode.org/js/events_properties.html)
( http://www.quirksmode.org/js/events_properties.html)
And then use the onmousedown even with the function rightclick() (if you want to use it globally on whole page you can do this <body onmousedown=rightclick(); >
然后即使使用函数 rightclick() 使用 onmousedown （如果你想在整个页面上全局使用它，你可以这样做 <body onmousedown=rightclick(); >
