Remove unnecessary hash from tags when creating new question (post)

forum/qa-content/qa-ask.js

@@ -296,3 +296,40 @@ function set_category_description(idprefix)
 		n.innerHTML=desc;
 	}
 }
+
+/**
+ * Feature - Remove unnecessary # from tags, when creating new post (question)
+ */ 
+;( function( document ) {
+
+	'use strict';
+
+	 // wait for DOM to load
+	 window.addEventListener('DOMContentLoaded', function() {
+
+		// get DOM elements: "tags" input and button "Zadaj pytanie"
+		var tags = document.getElementById( 'tags' );
+		var askQuestionBtn = document.querySelector( 'input[value="Zadaj pytanie"]' );
+
+		// when user clicks "Zadaj pytanie"
+		askQuestionBtn.addEventListener( 'click', function() {
+
+			var allTags = tags.value.split( ' ' );
+
+			/*
+			 * Filter tags: when a single tag has # character on 0 position, remove it
+			 * For example: "#problem" will be filtered to "problem"
+			 */
+			for ( var i = 0, len = allTags.length; i < len; i++ ) {
+
+				if ( allTags[ i ].indexOf( '#' ) === 0 ) {
+					allTags[ i ] = allTags[ i ].slice( 1 );
+				}
+
+			}
+
+		} );		
+
+	 } );	 
+
+ } ( document ) );