日期:2014-05-16 浏览次数:20690 次
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><head> <title>Auto-fill Form Fields</title> <link type="text/css" rel="stylesheet" href="script06.css" /> <script type="text/javascript" src="script06.js"></script> </head> <body> <form action="#"> Please enter your state:<br /> <input type="text" id="searchField" autocomplete="off" /><br /> <div id="popups"> </div> </form> </body> </html>
window.onload = initAll; var xhr = false; var statesArray = new Array(); function initAll() { document.getElementById("searchField").onkeyup = searchSuggest; if (window.XMLHttpRequest) { xhr = new XMLHttpRequest(); } else { if (window.ActiveXObject) { try { xhr = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { } } } if (xhr) { xhr.onreadystatechange = setStatesArray; xhr.open("GET", "us-states.xml", true); xhr.send(null); } else { alert("Sorry, but I couldn't create an XMLHttpRequest"); } } function setStatesArray() { if (xhr.readyState == 4) { if (xhr.status == 200) { if (xhr.responseXML) { var allStates = xhr.responseXML.getElementsByTagName("item"); for (var i=0; i<allStates.length; i++) { statesArray[i] = allStates[i].getElementsByTagName("label")[0].firstChild; } } } else { alert("There was a problem with the request " + xhr.status); } } } function searchSuggest() { var str = document.getElementById("searchField").value; document.getElementById("searchField").className = ""; if (str != "") { document.getElementById("popups").innerHTML = ""; for (var i=0; i<statesArray.length; i++) { var thisState = statesArray[i].nodeValue; if (thisState.toLowerCase().indexOf(str.toLowerCase()) == 0) { var tempDiv = document.createElement("div"); tempDiv.innerHTML = thisState; tempDiv.onclick = makeChoice; tempDiv.className = "suggestions"; document.getElementById("popups").appendChild(tempDiv); } } var foundCt = document.getElementById("popups").childNodes.length; if (foundCt == 0) { document.getElementById("searchField").className = "error"; } if (foundCt == 1) { document.getElementById("searchField").value = document.getElementById("popups").firstChild.innerHTML; document.getElementById("popups").innerHTML = ""; } } } function makeChoice(evt) { if (evt) { var thisDiv = evt.target; } else { var thisDiv = window.event.srcElement; } document.getElementById(&