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saving_state_with_userprefs.xml
37 lines (32 loc) · 1.09 KB
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saving_state_with_userprefs.xml
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<Module>
<ModulePrefs>
<Require feature="setprefs" />
</ModulePrefs>
<UserPref name="count" default_value="0" datatype="hidden" />
<Content view="canvas">
<![CDATA[
<div id=”myNum”>0</div>
<button onclick=”increment();”>Add 1</button>
<button onclick=”decrement();”>Subtract 1</button>
<script type=”text/javascript”>
var outputContainer = document.getElementById(‘myNum’);
//set prefs variable
var prefs = new gadgets.Prefs();
function increment(){
//capture current UserPref value
var count = prefs.getInt("count");
//set new user pref and increment counter
prefs.set("count", count + 1);
outputContainer.innerHTML = count + 1;
}
function decrement(){
//capture current UserPref value
var count = prefs.getInt("count");
//set new user pref and decrement counter
prefs.set("count", count - 1);
outputContainer.innerHTML = count - 1;
}
</script>
]]>
</Content>
</Module>