简单实现function getScript(){ var arr = ["1.js","2.js","3.js","4.js","5.js"]; var el = document.createElement("script"); el.src = arr[Math.floor(Math.random()*5)]; el.type = "text/javascript"; document.getElementsByTagName("head")[0].appendChild(el) } getScript()
//加载脚本 function LoadScript(){ var jsfile = ["jsfile1.js","jsfile2.js","jsfile3.js","jsfile4.js","jsfile5.js"]; var htmlElement= document.createElement("script"); var round=jsfile[Math.floor(Math.random()*5)]; htmlElement.src = round; htmlElement.type = "text/javascript"; document.getElementsByTagName("head")[0].appendChild(htmlElement) }
<script type="text/javascript" src="ajax/index1.js"></script>
</c:if>
<c:if (随机2)>
<script type="text/javascript" src="ajax/index2.js"></script>
</c:if>
<c:if (随机3)>
<script type="text/javascript" src="ajax/index3.js"></script>
</c:if>
var arr = ["1.js","2.js","3.js","4.js","5.js"];
var el = document.createElement("script");
el.src = arr[Math.floor(Math.random()*5)];
el.type = "text/javascript";
document.getElementsByTagName("head")[0].appendChild(el)
}
getScript()
//加载脚本
function LoadScript(){
var jsfile = ["jsfile1.js","jsfile2.js","jsfile3.js","jsfile4.js","jsfile5.js"];
var htmlElement= document.createElement("script");
var round=jsfile[Math.floor(Math.random()*5)];
htmlElement.src = round;
htmlElement.type = "text/javascript";
document.getElementsByTagName("head")[0].appendChild(htmlElement)
}