/* write a function to search data from different sources in internet */ function search(query) { var url = 'https://www.google.com/search?q=' + encodeURIComponent(query); var xhr = new XMLHttpRequest(); xhr.open('GET', url, true); xhr.onreadystatechange = function() { if (xhr.readyState == 4) { var parser = new DOMParser(); var doc = parser.parseFromString(xhr.responseText, 'text/html'); var results = doc.querySelectorAll('h3.r a'); for (var i = 0; i < results.length; i++) { var result = results[i]; var url = result.getAttribute('href'); var title = result.textContent; var p = document.createElement('p'); var a = document.createElement('a'); a.textContent = title; a.setAttribute('href', url); p.appendChild(a); document.body.appendChild(p); } } }; xhr.send(); }
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