Firefox:Dive Into Greasemonkey/4.21. Intercepting user clicks

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4.21. 截取用户鼠标点击

虽然改写链接很简单，您也可以一步登天。使用 addEventListener 函数，俘获页面上任何地方的每次点击。(这也俘获了链接的点击。)您能够计算应该去做什么：是否允许可点击元素的点击操作“失效”，或者做些完全不同的操作。

例子：当用户点击页面上任意地方时做点别的

document.addEventListener('click', function(event) {
    // event.target is the element that was clicked

    // do whatever you want here

    // if you want to prevent the default click action
    // (such as following a link), use these two commands:
    event.stopPropagation();
    event.preventDefault();
}, true);

注意这里使用了一个匿名函数，将一个参数传递给 document.addEventListener 函数。

← 重定向页面

重新定义内建的 Javascript 方法 →

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Strict Standards: Non-static method Title::newFromText() should not be called statically, assuming $this from incompatible context in /home/mozcn/html/mediawiki-1.3.18/includes/Skin.php on line 1452

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Strict Standards: Non-static method Title::newFromText() should not be called statically, assuming $this from incompatible context in /home/mozcn/html/mediawiki-1.3.18/includes/Skin.php on line 1450

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Strict Standards: Non-static method Title::newFromText() should not be called statically, assuming $this from incompatible context in /home/mozcn/html/mediawiki-1.3.18/includes/Skin.php on line 1452

Strict Standards: Non-static method Namespace::getCanonicalIndex() should not be called statically, assuming $this from incompatible context in /home/mozcn/html/mediawiki-1.3.18/includes/Title.php on line 695

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Strict Standards: Only variables should be passed by reference in /home/mozcn/html/mediawiki-1.3.18/includes/Skin.php on line 1452

取自"http://wiki.mozcn.org/index.php/Firefox:Dive_Into_Greasemonkey/4.21._Intercepting_user_clicks"

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