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如果用戶訪問存儲在我的數據庫中的URL,我想創建一個DIV包含消息。其實,它工作在一個警告消息,但我想DIV,所以我應該通過contentscript.js訪問頁面的DOM,它的工作,但我怎麼能防止功能工作在contentscript.js因爲我希望函數工作後I檢查了background.js中的URL!Chrome擴展程序:從background.js中的contentscript.js調用函數
我閱讀關於選項卡,但只有當用戶點擊瀏覽器動作的圖標時運行,並在我的情況下,用戶沒有點擊任何他只是在www瀏覽的圖標。
contentscript.js
chrome.runtime.sendMessage(window.location.href);
var pathname = window.location.pathname; // Returns path only
var url = window.location.href;
//document.getElementsByTagName('title')[0].innerText
function MessageBox(){
document.documentElement.style.height = '100%';
document.body.style.height = '100%';
document.documentElement.style.width = '100%';
document.body.style.width = '100%';
var div = document.createElement('div');
var btnForm = document.createElement('form');
var btn = document.createElement('input');
//append all elements
document.body.appendChild(div);
div.appendChild(btnForm);
btnForm.appendChild(btn);
//set attributes for div
div.id = 'myDivId';
div.style.position = 'fixed';
div.style.top = '80%';
div.style.left = '77%';
div.style.width = '22%';
div.style.height = '17%';
div.style.backgroundColor = 'white';
div.style.border='1px solid red';
//set attributes for btnForm
btnForm.action = '';
//set attributes for btn
//"btn.removeAttribute('style');
btn.type = 'button';
btn.value = 'X';
btn.style.position = 'reltive';
btn.style.top = '10%';
btn.style.left = '80%';
btn.style.width = '5%';
btn.style.height = '3%';
}
background.js
chrome.runtime.onMessage.addListener(function(response, sender, sendResponse) {
$.ajax({
type: 'GET',
url: 'http://mywebsite.com/api/route',
dataType: 'json',
}).success(function(results) {
for (var i = 0; i < results.length; i++) {
if (results[i].url === response) {
alert("This page in my database"); // this work but I don't want an alert message
} //if
} //for
});
});
非常感謝你的工作 – Seham