AI 编程工具xxxxxxxxxx<html><head><meta charset="utf-8"><title>高手教程(study.p2hp.com)</title><script>function displayResult(){ var x=document.getElementById("red").type; alert(x);}</script></head><body><form>你更喜欢哪种颜色?<br><input type="radio" name="colors" id="red">红色<br><input type="radio" name="colors" id="blue">蓝色<br><input type="radio" name="colors" id="green">绿色</form><button type="button" onclick="displayResult()">显示 input 类型</button></body></html>