瞒天过海
ob.innerHTML="<scrip"+"t></s"+"cript>";    

@wei
这样试试<script defer="defer">  
  

原来还是有办法解决的,参照下面的代码:
function _xml_htmlInsert(partId, viewData) {

var regexp1 = /<script(.|\n)*?>(.|\n|\r\n)*?<\/script>/ig;
var regexp2 = /<script(.|\n)*?>((.|\n|\r\n)*)?<\/script>/im;

/* draw the html first */
partId.innerHTML = viewData.replace(regexp1, "");

var result = viewData.match(regexp1);
if (result) {
for (var i = 0; i < result.length; i++) {
var realScript = result[i].match(regexp2);
_xml_executeScript(realScript[2], partId);
/* Note: do not try to write more than one <script> in your view.*/
/* break; process only one script element */
}
}

}