minor html and JS fixes

* avoid implicit creation of global vars
* removed stray </small>
* fix assignment with undefined variables

wled00/data/pixart/pixart.js

@@ -288,7 +288,7 @@ function generateSegmentOptions(array) {
 
 // Get segments from device
 async function getSegments() {
-  cv = gurl.value;
+  const cv = gurl.value;
   if (cv.length > 0 ){
     try {
       var arr = [];

wled00/data/pixelforge/pixelforge.htm

@@ -381,8 +381,8 @@ button, .btn {
 				<div><a href="#" class="tk" data-t="#DDDD">#DDDD</a> - Weekday (Monday)</div>
 			</div>
 			<div style="margin:10px;padding-top:10px;border-top:1px solid #444">
-				<strong>Tips:</strong></small><br>
-				• Mix text and tokens: "It's #HHMM O'Clock" or "#HH:#MM:#SS"<br>
+				<strong>Tips:</strong><br>
+				• Mix text and tokens: "It's #HHMM O'clock" or "#HH:#MM:#SS"<br>
 				• Add '0' suffix for leading zeros: #TIME0, #HH0, etc.
 			</div>
 		</div>

wled00/data/pxmagic/pxmagic.htm

@@ -1226,8 +1226,8 @@
     gId("segments").addEventListener("change", (e) => {
       const { width, height } = e.target.selectedOptions[0].dataset;
 
-      gId("width").value = w;
-      gId("height").value = h;
+      gId("width").value = width;
+      gId("height").value = height;
     });
 
     gId("output").addEventListener("change", (e) => {
@@ -1576,7 +1576,7 @@
           ctx.fillText(pixelId, offsetX, offsetY);
         }
       }
-
+      let i; // avoid inplicitly creating a global variable
       switch (pattern) {
         case "1":
           i = colors;