<!doctype html><html lang="en"><head> ? ?<meta charset="UTF-8"> ? ?<title>Document</title></head><body><a ?class="index_box box_a5" href=""><img id="click_xa" ?onclick="changeImg()" src="images/55.png" alt=""/></a><script> function changeImg() { ? ? ? ?var imgObj = document.getElementById("click_xa"); if (imgObj.getAttribute("src", 2) == "images/55.png") { ? ? ? ? ? ?imgObj.src = "images/5.png"; } else { ? ? ? ? ? ?imgObj.src = "images/55.png"; } ? ?}</script></body></html>
href屬性去掉就生效，加就不切換圖片了？為什么會這樣？怎么解決？但必須用href屬性不能去掉。
兼容并包
2018-01-02 16:37:50