How to Inject Javascript with stringbyEvaluationJSS to $(document).ready(function()

Question

hi
i have a Problem,i want to Injet a var from nativ to my WebSolution.
Cause i want to know, when a iDevice visit the page, some buttons have to be visible...
So i tried somethink like that:. On the index.html i have JQuery Script:

$(document).ready(function(){ var htmlvar = varFromUiWebView; alert(htmlvar); }

At my xCode project: On the UIWebview Delegate: UiWebviewDidFinishload:, i have something like that:

[browser stringByEvaluatingJavaScriptFromString:@"varFromUiWebView = 1;"];

So, the result is that the script crash, because 'varFromUiWebView' is undefined. How can i fix it?

Thank you in advance Konstantin

Answer 1

So at this time i think it isnt possible to inject a variable from :

[theWebView stringByEvaluatingJavaScriptFromString:@"var valueFromNativ = 1"];

to the DOM of the browser Website :
example :

$(document).ready(function(){
  var clientValue = valueFromNativ;
});

so a very easy workaround is to catch via userAgend the Device which visit your Page:

  $(document).ready(function() {
            var isMobile = navigator.userAgent.match(/(iPhone|iPod|iPad|Android)/);
            if (isMobile == null) {
                $('#justTablets').hide();
            }
        });<br>

If now somebody visit with ipad my website a <div id="justTablets">Content ...</div> will shown, but if you are a simple desktop, laptop, it will be hidden ... see here http://jsfiddle.net/konstheinrich188/jASy8/