Fix number tab navigation in Chrome on Android

coffee/scores.coffee

@@ -88,6 +88,19 @@ if table.classList.contains 'match-editable'
                 localStorage.removeItem 'hide-total-scores'
                 render 0
 
+    # cancel form submission on Enter press, go to the next input field instead
+    form = table.parentNode
+    submit_button = form.querySelector('button[type=submit]')
+
+    nextelems = new WeakMap()
+    nextelems.set input, inputs[(i + 1) % inputs.length] for input, i in inputs
+    nextelems.set inputs[inputs.length - 1], submit_button
+
+    table.addEventListener 'keypress', (e) ->
+        if e.key == 'Enter'
+            nextelems.get(e.srcElement).focus()
+            e.preventDefault()
+
 # notes area grows automatically with each added line
 if notes = document.getElementById('notes')
     cb = ->
@@ -114,4 +127,3 @@ toggle_color.addEventListener 'click', ->
         else
             localStorage.removeItem 'colored-scores'
 
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