![](https://www.dnzp.com/uploads/allimg/240320/ofmzwbscx2x>
<!DOCTYPE html><html><head><title>javascript001</title><meta charset="utf-8" /></head><body><a href="javascript:alert('您点击了链接')">通过链接执行JavaScript程序</a></body></html><p>javascript001.html在浏览器中展示效果为https://www.dnzp.com/uploads/allimg/240320/ofmzwbscx2x>
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<!DOCTYPE html><html><head><title>javascript002</title><meta charset="utf-8" /><script>alert("您启动了javascript002.html文件");</script></head><body><p>一个用于展示JavaScript的例子网页</p></body></html>javascript002.html在网页中的展示效果为https://www.dnzp.com/uploads/allimg/240320/ofmzwbscx2x>
![](https://www.dnzp.com/uploads/allimg/240320/ofmzwbscx2x>
<!DOCTYPE html><html><head><title>javascript003</title><meta charset="utf-8" /></head><body><p>一个用于展示JavaScript的例子网页</p><script>alert("您启动了javascript003.html文件");</script></body></html><p>javascript003.html在网页中的展示效果为https://www.dnzp.com/uploads/allimg/240320/ofmzwbscx2x>
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javascript004.html在网页中的展示效果为https://www.dnzp.com/uploads/allimg/240320/ofmzwbscx2x>
点击“确定”按钮后，网页展示效果为https://www.dnzp.com/uploads/allimg/240320/ofmzwbscx2x>
JavaScript的入门知识先讲到这里，后面会进一步讲述。