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<p><strong>Syntax:</strong></p>
<pre class="codeblock" id="GUID-DCEE44D4-0AE0-46AA-9647-C3275F9AE5D2">sysinfo.chargelevel = "batteryLevelChange()";</pre>
<pre class="codeblock" id="GUID-6882753C-D40D-45FB-9161-659DAFB73B5A">function batteryLevelChange()
{
// ...
};</pre>
<p><strong>Description:</strong></p>
<p>The <code>onchargelevel</code> property is an event handler for the event of when the battery level is changed. The callback function is assigned by providing the function's name wrapped in a string.</p>
<p>For more general information on power consumption and widgets, see <a href="GUID-159FCC18-2C9D-49F0-BAC1-DFEAADCF1D89.html#GUID-159FCC18-2C9D-49F0-BAC1-DFEAADCF1D89">Saving battery time</a>.</p>
<p><strong>Example code:</strong></p>
<pre class="codeblock" id="GUID-F660C135-5697-4D8B-B525-EF9CA2046AEA">window.onload = function(){
// Get the current battery level
var batteryLevel = sysinfo.chargelevel;
alert("Current battery level is " + batteryLevel + "%");
// Assign an even handler for the charge level change
sysinfo.onchargelevel = "batteryLevelChange()";
}
function batteryLevelChange()
{
var batteryLevel = sysinfo.chargelevel;
alert("Current battery level is " + batteryLevel + "%");
}</pre>
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