动态加载外部脚本

 ----------动态加载外部脚本

function loadScript(url){

  var script=document.createElement("script");

  script.type="text/javascript";

  script.src=url;

  document.body.appendChild(script);

}

loadScript("1.js");

---------动态加载脚本代码

 

function loadScriptString(jscode){

  var script = document.createElement("script");

  script.type = "text/javascript";

  try {

              script.appendChild(document.createTextNode(jscode));

  } catch (ex) {

              script.text=jscode;

  }

  document.body.appendChild(script);

}

loadScriptString(alert('abc'));

-----------动态加载外部样式表

function loadCSS(url){

  var link=document.createElement("link");

  link.rel="stylesheet";

  link.type="text/css";

  link.href=url;

  document.getElementsByTagName("head")[0].appendChild(link);

}

loadCSS("1.css");

 

----------动态加载样式表代码

function loadCSSString(cssstr) {

  var style = document.createElement("style");

  style.type = "text/css";

  try {

    style.appendChild(document.createTextNode(cssstr));

  } catch (ex) {

    style.styleSheet.cssText = cssstr;

  }

  document.getElementsByTagName("head")[0].appendChild(style);

}