Syntax:
+sysinfo.chargelevel = "batteryLevelChange()";+
function batteryLevelChange()
+{
+ // ...
+};
+Description:
+The onchargelevel 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.
For more general information on power consumption and widgets, see Saving battery time.
+Example code:
+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 + "%");
+}
+