blur - eventhandler (example from JavaScript & JQuery by Jon Duckett) -

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  फ़ंक्शन चेक उपयोगकर्ता का नाम () {var elMsg = document.getElementById ("feedback"); अगर (elUsername.value.length & lt; 5) {elMsg.textContent = 'test'; } Else {elMsg.textContent = 'Test2'; }} Var elUsername = document.getElementById ('उपयोगकर्ता नाम'); ElUsername.blur = जांच उपयोगकर्ता का नाम;   
 फ़ंक्शन काम कर रहा है, लेकिन कॉल नहीं है। मैं इसे html से कॉल कर सकता हूं (दूसरी अंतिम पंक्ति के साथ, फ़ंक्शन में) मैं गलत क्या कर रहा हूँ? शायद कुछ बेवकूफ है, लेकिन मैं इसे पूरे दिन किया गया है।  
 भी कोशिश की:  elUsername.addEventListener ('धुंधला, चेक उपयोगकर्ता नाम, गलत);    
 
 
 जे एस  var  को परिभाषित करता है और  धुंधला  लापता  पर   
  < 
 var elUsername = document.getElementById ('उपयोगकर्ता नाम'); Var elMsg = document.getElementById ("फीडबैक"); फ़ंक्शन चेक उपयोगकर्ता का नाम () {if (elUsername.value.length & lt; 5) {elMsg.textContent = 'Test'; } Else {elMsg.textContent = 'Test2'; }} ElUsername.onblur = check उपयोगकर्ता का नाम; //elUsername.addEventListener ('ब्लूर', उपयोगकर्ता नाम, गलत चेक करें);   
  & lt; input id = " उपयोगकर्ता नाम "मान =" 123456 "& gt; & Lt; div id = "feedback" & gt; & lt; / div & gt;

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