将上面的代码去除注释一次性输出

```javascript const fixedDiv = document.querySelector('.fixed'); const contentDiv = document.querySelector('.content'); let isFixed = false; let fixedDivHeight = 0; window.addEventListener('scroll', () => { const scrollPosition = window.scrollY; if (scrollPosition >= contentDiv.offsetTop && !isFixed) { fixedDivHeight = fixedDiv.offsetHeight; fixedDiv.style.position = 'static'; fixedDiv.style.height = `${fixedDivHeight}px`; fixedDiv.style.position = 'fixed'; fixedDiv.style.top = '0'; fixedDiv.style.left = '0'; fixedDiv.style.width = '100%'; isFixed = true; } if (scrollPosition < contentDiv.offsetTop && isFixed) { fixedDiv.style.height = `${fixedDivHeight}px`; fixedDiv.style.position = 'static'; fixedDiv.style.top = 'auto'; fixedDiv.style.left = 'auto'; fixedDiv.style.width = 'auto'; isFixed = false; } }); ```