Custom Button clicks count:

There is custom button or link ,when click the button ,it will open the visual force page and count the how many times that button got clicked.

OnClick JavaScript

{!REQUIRESCRIPT("/soap/ajax/30.0/connection.js")} try{ var clickCntStr = '{!opportunity.Number1__c}'; clickCntStr = clickCntStr == null || clickCntStr == "" ? "0" : clickCntStr; clickCnt = parseFloat(clickCntStr); ++clickCnt; // alert(clickCnt); var updOpp = new sforce.SObject('opportunity'); updOpp.Id = "{!opportunity.Id}"; updOpp.number1__c= clickCnt; //alert(updOpp.number1__c); var result = sforce.connection.update([updOpp]); } catch(ccex){ console.log('click count increment error: ' + ccex); } window.open('/apex/Countbuttonclickpage?Id={!opportunity.Id}');

Visual force page:Countbuttonclickpage

<apex:page standardController="opportunity" >

  <apex:form >

    <apex:outputLabel value="Count of buttton click: {!opportunity.Number1__c}"></apex:outputLabel>

  </apex:form>

</apex:page>