> How will the code look like to save a marker
Globally define your 'last' marker variable outside of any functions.
var myLastMarker;
Find where in your code you are making a new marker
var marker = ... whatever it is you do to build a red marker...
Now update the last marker (if there is one ; there won't be first
time around)
if (myLastMarker) {
myLastMarker.setImage( url-of-something-yellow.png );
}
And remember the new red marker in your global variable
myLastMarker = marker ;
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