javascript - How to trigger AJAX from a search button -

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मेरे पास निम्न जावास्क्रिप्ट है: 

  & lt; script & gt; फ़ंक्शन शोटेकेट्स (एआरआर) {if (str == "") {document.getElementById ("txtHint")। InnerHTML = ""; वापसी; } यदि (window.XMLHttpRequest) {xmlhttp = new XMLHttpRequest (); } Xmlhttp.onreadystatechange = function () {if (xmlhttp.readyState == 4 & amp; xmlhttp.status == 200} {document.getElementById ("txtHint")। InnerHTML = xmlhttp.responseText; }} Xmlhttp.open ("GET", "/processes/editticket.php?WTNum=" + str, सत्य); xmlhttp.send (); }   
  
 अगर मैं एक selectbox का उपयोग करता हूं और "onchange" के साथ फ़ंक्शन को ट्रिगर करता है तो यह पूरी तरह से काम करता है। हालांकि, मेरे मुवक्किल ने इसके बजाय एक खोज बॉक्स का अनुरोध किया। मुझे इसे खोज बॉक्स के साथ काम करने के लिए नहीं मिल सकता है यहां खोज बॉक्स और div के लिए मेरा HTML है जहां परिणाम जाना चाहिए।  
  & lt; form class = 'form-horizontal col-xs-12 col-md-12 col-lg- 12 'name = "editticket" विधि = "पोस्ट" एक्शन = "/ प्रोसेस / अपडेटैटेटिकेट.एफ़पी" & gt; & Lt; div class = 'पैनल पैनल-प्राथमिक' & gt; & Lt; div वर्ग = 'पैनल-शीर्षक' & gt; & Lt; h3 class = 'panel-title' & gt; कार्य टिकट संपादित करें & lt; / h3 & gt; & Lt; / div & gt; & Lt; div वर्ग = 'पैनल-बॉडी' & gt; & Lt; div वर्ग = "इनपुट-समूह" & gt; & Lt; span class = "input-group-addon" & gt; टिकट प्रविष्ट करें # & lt; / span & gt; & Lt; input type = "text" class = "form-control" id = "खोज" नाम = "डब्ल्यूटीएन" & gt; & Lt; span class = "इनपुट-समूह-बीटीएन" & gt; & Lt; बटन वर्ग = "बीटीएन बीटीएन-डीफॉल्ट" प्रकार = "बटन" ऑनक्लिक = "शोटिकट्स (दस्तावेज़.गेटएलेमेंटबीआईआईडी ('खोज')। मान)" & gt; खोज & lt; / button & gt; & Lt; / span & gt; & Lt; div id = "txthint" & gt; & lt; b & gt; & lt; / b & gt; & lt; / div & gt; & Lt; / प्रपत्र & gt;   
 क्या मुझे कुछ याद आ रहा है !! यह मुझे पागल बना रही है!! एडवांस में आप सभी को धन्यवाद। यह बहुत सराहना की जाती है।   
 
 
 क्यों न केवल  showtickets  फ़ंक्शन बिना तर्क और फिर फ़ंक्शन के अंदर आप ऐसा करते हैं  
  str = document.getElementById ('खोज')। मूल्य;

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