临时记录
edge 控制台测试帧率
// 在控制台执行，查看帧率
(function() {
let frameCount = 0;
let lastTime = performance.now();
function countFrames() {
frameCount++;
const now = performance.now();
if (now - lastTime >= 1000) {
console.log(`FPS: ${frameCount}`);
frameCount = 0;
lastTime = now;
}
requestAnimationFrame(countFrames);
}
countFrames();
})();
edge 控制台编辑页面
document.body.contentEditable = true
鼠标指针样式 不同 cursor 值对比
内联样式：style="cursor: default;"
| 属性值 | 图标 | 用途 |
|---|---|---|
cursor: pointer; |
👆 小手 | 可点击元素（链接、按钮） |
cursor: help; |
↖❓ 箭头+问号 | 帮助信息 |
cursor: default; |
↖ 箭头 | 默认光标 |
cursor: text; |
I 形 | 文本输入 |
cursor: move; |
✥ 十字箭头 | 可拖动元素 |
cursor: wait; |
⌛ 等待/转圈 | 加载中 |
cursor: not-allowed; |
🚫 禁止 | 不可操作 |
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