javascript - 使用 javascript 获取锚标记 URL

Question

我正在尝试将锚标记的 url 存储在变量中，但我不断收到错误消息。

var buttonUrl = document.getElementById('test').href;

Uncaught TypeError: Cannot read property 'href' of null

标签： javascript

Answer 1

确保您的代码在窗口加载后正在运行：

window.onload = function() {
    var buttonUrl = document.getElementById("test").href;
    console.log(buttonUrl);
    //This will log the href of the "test" element to the console as a debugger. You can now use buttonUrl as you want.
}