Warning: file_get_contents(/data/phpspider/zhask/data//catemap/9/javascript/400.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
如何在web视图中注入javascript？_Javascript_Ios_Objective C_Uiwebview - Fatal编程技术网
Fatal编程技术网
  • javascript/
  • 如何在web视图中注入javascript？

如何在web视图中注入javascript？

javascript ios objective-c

如何在web视图中注入javascript？,javascript,ios,objective-c,uiwebview,Javascript,Ios,Objective C,Uiwebview,我有加载url的webView，需要在其中插入javascript代码 javascript: (function(){ var a = document.createElement('script'); a.type='text/javascript'; a.src=location.protocol+'//ajax.aspnetcdn.com/ajax/jQuery/jquery-1.11.1.min.js'; document.getElementsByTagName('head'

我有加载url的webView，需要在其中插入javascript代码

    javascript: (function(){
var a = document.createElement('script');
a.type='text/javascript';
a.src=location.protocol+'//ajax.aspnetcdn.com/ajax/jQuery/jquery-1.11.1.min.js';
document.getElementsByTagName('head')[0].appendChild(a);
})();
我该怎么做？

您能使用[webView stringByEvaluatingJavaScriptFromString:javascript]吗？我使用它，但可能我使用了错误的javascript代码