Use of the dynamic binding event addEventListener method

2020-03-30 01:29:21
OfStack

 
<script language = "javascript" type = "text/javascript"> 
function test(){ 
window.alert(" You voted once "); 
//Unbound event
document.getElementById("but1").removeEventListener("onclick",test); 
} 
</script> 
<body> 
<input id = "but1" type = "button" value = " vote " /> 
<script language = "javascript" type = "text/javascript"> 
//Dynamically bound events can be unbound
document.getElementById("but1").addEventListener("onclick",test); 
</script> 
</body>