What is the purpose of REQUIRESCRIPT and below lines












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What is the purpose of the below lines



{!REQUIRESCRIPT("/soap/ajax/30.0/connection.js")} 
{!REQUIRESCRIPT("/soap/ajax/30.0/apex.js")}









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    What is the purpose of the below lines



    {!REQUIRESCRIPT("/soap/ajax/30.0/connection.js")} 
    {!REQUIRESCRIPT("/soap/ajax/30.0/apex.js")}









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      What is the purpose of the below lines



      {!REQUIRESCRIPT("/soap/ajax/30.0/connection.js")} 
      {!REQUIRESCRIPT("/soap/ajax/30.0/apex.js")}









      share|improve this question









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      L2018 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      What is the purpose of the below lines



      {!REQUIRESCRIPT("/soap/ajax/30.0/connection.js")} 
      {!REQUIRESCRIPT("/soap/ajax/30.0/apex.js")}






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      Oleksandr Berehovskiy

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          Connection.js imports global variables and functions required to get the session ID , execute soql, login ,describe metadata and various other functions and utilities to work with salesforce data and metadata from the client side JavaScript .



          You can find more details here in the Ajax toolkit guide.



          https://developer.salesforce.com/docs/atlas.en-us.ajax.meta/ajax/sforce_api_ajax_connecting.htm



          And apex.js allows you to call apex methods using client side JavaScript .These do not work in lightning experience .Ajax toolkit was used in buttons in classic experience to make Ajax call to Salesforce without refreshing the standard page .






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          Connection.js imports global variables and functions required to get the session ID , execute soql, login ,describe metadata and various other functions and utilities to work with salesforce data and metadata from the client side JavaScript .



          You can find more details here in the Ajax toolkit guide.



          https://developer.salesforce.com/docs/atlas.en-us.ajax.meta/ajax/sforce_api_ajax_connecting.htm



          And apex.js allows you to call apex methods using client side JavaScript .These do not work in lightning experience .Ajax toolkit was used in buttons in classic experience to make Ajax call to Salesforce without refreshing the standard page .






          share|improve this answer























          • Thank you for the article
            – L2018
            yesterday
















          1














          Connection.js imports global variables and functions required to get the session ID , execute soql, login ,describe metadata and various other functions and utilities to work with salesforce data and metadata from the client side JavaScript .



          You can find more details here in the Ajax toolkit guide.



          https://developer.salesforce.com/docs/atlas.en-us.ajax.meta/ajax/sforce_api_ajax_connecting.htm



          And apex.js allows you to call apex methods using client side JavaScript .These do not work in lightning experience .Ajax toolkit was used in buttons in classic experience to make Ajax call to Salesforce without refreshing the standard page .






          share|improve this answer























          • Thank you for the article
            – L2018
            yesterday














          1












          1








          1






          Connection.js imports global variables and functions required to get the session ID , execute soql, login ,describe metadata and various other functions and utilities to work with salesforce data and metadata from the client side JavaScript .



          You can find more details here in the Ajax toolkit guide.



          https://developer.salesforce.com/docs/atlas.en-us.ajax.meta/ajax/sforce_api_ajax_connecting.htm



          And apex.js allows you to call apex methods using client side JavaScript .These do not work in lightning experience .Ajax toolkit was used in buttons in classic experience to make Ajax call to Salesforce without refreshing the standard page .






          share|improve this answer














          Connection.js imports global variables and functions required to get the session ID , execute soql, login ,describe metadata and various other functions and utilities to work with salesforce data and metadata from the client side JavaScript .



          You can find more details here in the Ajax toolkit guide.



          https://developer.salesforce.com/docs/atlas.en-us.ajax.meta/ajax/sforce_api_ajax_connecting.htm



          And apex.js allows you to call apex methods using client side JavaScript .These do not work in lightning experience .Ajax toolkit was used in buttons in classic experience to make Ajax call to Salesforce without refreshing the standard page .







          share|improve this answer














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          edited yesterday

























          answered yesterday









          Mohith Shrivastava

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          59.7k795138












          • Thank you for the article
            – L2018
            yesterday


















          • Thank you for the article
            – L2018
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          Thank you for the article
          – L2018
          yesterday




          Thank you for the article
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