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JSF Interview Questions and Answers

Ques. How to show Confirmation Dialog when user Click the Command Link?
Ans. ah:commandLink assign the onclick attribute for internal use. So, you cannot use it to write your own code. This problem will fixed in the JSF 1.2. For the current JSF version you can use onmousedown event that occurs before onclick.
<script language="javascript">
function ConfirmDelete(link) {
var delete = confirm('Do you want to Delete?');
if (delete == true) {
link.onclick();
}
}
</script>

. . . . <h:commandLink action="delete" onmousedown="return ConfirmDelete(this);">
<h:outputText value="delete it"/> </h:commandLink>
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