|  Lid |  | Ok, het is gelukt: 
 Popup:
 
 
    
    
        
            
                
<html>
<head>
<script>
function makeRequest(act){
	chrome.tabs.getSelected(null, function(tab) {
		chrome.tabs.sendRequest(tab.id, {action: act, tabid: tab.id}, function(response) { });
	});
}
</script>
</head>
<body>
<input type="button" id="alert" value="Alert" onClick="makeRequest(this.id);" />
<input type="button" id="addbutton" value="Add Button" onClick="makeRequest(this.id);" />
</body>
</html>
 function makeRequest(act){	chrome.tabs.getSelected(null, function(tab) {		chrome.tabs.sendRequest(tab.id, {action: act, tabid: tab.id}, function(response) { });	});} <input type="button" id="alert" value="Alert" onClick="makeRequest(this.id);" /><input type="button" id="addbutton" value="Add Button" onClick="makeRequest(this.id);" />
   
 contentScript:
 
 
    
    
        
            
                
function injectCode(text){
	var script = document.createElement("script");
   var parent = document.documentElement;
	
   script.text = text;
   script.setAttribute("id", "codeInjection");
   script.setAttribute("extension", "Chrome");
   parent.appendChild(script);
   parent.removeChild(script);
}
var codes = Array();
codes["alert"] = "alert(test);";// Test staat al in pagina
codes["addbutton"] = "var a = document.createElement('button');document.documentElement.appendChild(a);";
chrome.extension.onRequest.addListener(function(request, sender, sendResponse) {
	switch(request.action){
		case "alert":
		injectCode(codes["alert"]);
		break;
		case "addvisibilities":
		injectCode(codes["addbutton"]);
		default:
		break;
	}
});
 function injectCode(text){	var script = document.createElement("script");   var parent = document.documentElement;    script.text = text;   script.setAttribute("id", "codeInjection");   script.setAttribute("extension", "Chrome");   parent.appendChild(script);   parent.removeChild(script);} var codes = Array();codes["alert"] = "alert(test);";// Test staat al in paginacodes["addbutton"] = "var a = document.createElement('button');document.documentElement.appendChild(a);"; chrome.extension.onRequest.addListener(function(request, sender, sendResponse) {	switch(request.action){		case "alert":		injectCode(codes["alert"]);		break;		case "addvisibilities":		injectCode(codes["addbutton"]);		default:		break;	}});
   
 Lolll
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