Posts Tagged Netsuite

Ultimate NetSuite Development Tips

  1. SuiteCloud Developer Account

    You don’t want to touch the data/configurations of the production account of your client and you don’t have access to the Sanbox account. Or, you want to develop a SuiteApp as a product rather than for a particular client. NetSuite offers a Community SuiteCloud Developer Network account for free .
  2. Search Box

    Are you a shortcut addict? Feel uneasy to move the mouse to much and always find ways to reduce number of clicks and key presses? Then this tip should work great for you.

    NetSuite Search Box

    As a result your frequent navigations are shortened. For instance “Setup > Customization > Scripts > New”, accessible by searching for “script” and “Document > Files > File Cabinet”, by typing “fil”.

  3. Script Debugger

    Its often painful to make changes to scripts on our machine and then upload them to File Cabinet, before you can see the script running. This becomes even more harsh if the changes is as short as one character. In such a scenario, use the Script Debugger. Make changes online and debug it right within your browser. Keep in mind that the process would require some patience because of back and forth calls between NetSuite and the web browser.
  4. SuiteScript API

    Code Auto-Completion is a great feature. However, there is little help offered by IDE’s in case of loosely typed languages like JS. If you like to get some help with auto-complete, download SuiteScript API from NetSuite File Cabinet. This is a JS file you should add to your project with other SuiteScripts.

    SuiteScript API

  5. Developer Resources

    NetSuite Developer resources are a great way to  develop for NetSuite. Whether you are a beginner or a seasoned NetSuite Developer, the SuiteScript Developer and Reference Guide specially serve good purpose.
  6. Domain Knowledge

    If you only have a background in software development and have no prior experience of working with ERPs/CRMs, you might find it handy to go through the basics of NetSuite ERP/CRM domain. Try out Netsuite for Dummies.

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A NetSuite Best Practice – Client JS in Suitelets

Often we need writing Suitelets in Netsuite that have conventional HTML UI elements rather than the objects provided by Netsuite’s UI Builder API. We normally use HTML within javascript string to be sent to client side. To write code against the elements in this HTML, client side javascript also goes within a string. Problems arise when we need to update the code within a string as we are not able to use the features of the IDE to its fullest. This post is all about solving these problems, exploiting the fact that the server-side code written for Suitelets is also in javascript.

The Technique

Good news is that each javascript function object has a toString() method, and a better news is that it works as expected in Netsuite ! :).

So the idea is to write client and server-side code alike and use the toString() method of the client-side functions to aggregate the client-side script.


Lets take a simple scenario. We are creating a user registration form within a Suitelet using plain old HTML form elements.

  • When the user inputs first and last name fields we would like to suggest a user name.
  • When the user inputs a password, we would like to warn if it contains the first or last name.

Here goes the script:

function main(request,response)
function getHtml()
    var h = '';
    h += 'First Name';
    h += '<input type="text" id="txtFName" onblur="setUserIdFromNames();"/>';
    h += 'Last Name';
    h += '<input type="text" id="txtLName" onblur="setUserIdFromNames();"/>';
    h += 'User Name';
    h += '<input type="text" id="txtUserName" />';
    h += 'Password';
    h += '<input type="password" id="txtPass" onblur="performPasswordSecurityCheck();"/>';
    return h;
function getClientSideCode()
    var s = '';
    s += '<script type="text/javascript">';
    s += 'function setUserIdFromNames()';
    s += '{';
    s += '  var firstName = document.getElementById("txtFirstName").value;';
    s += '  var lastName = document.getElementById("txtLastName").value;';
    s += '  var userName = firstName.toLowerCase() + \'.\' + lastName.toLowerCase();';
    s += '  document.getElementById("txtUserName").value = userName;';
    s += '}';
    s += 'function performPasswordSecurityCheck()';
    s += '{';
    s += '  var password = document.getElementById("txtPassword").value;';
    s += '  var firstName = document.getElementById("txtFirstName").value;';
    s += '  var lastName = document.getElementById("txtLastName").value;';
    s += '  if(password.indexOf(firstName)!=-1 || password.indexOf(lastName)!=-1)';
    s += '      alert("Using names in password makes it less secure!");';
    s += '}';
    s += '</script>';
    return s;

The highlighted lines contain the script that is problematic. Its difficult to read,  refactor and debug.

Here is the improved version of the code:

function getClientSideCode()
    var arrFunctions = [setUserIdFromNames,performPasswordSecurityCheck];
    var clientScript = '<script type="text/javascript">';
    for (var i = 0; i < arrFunctions.length; i++)
        clientScript += arrFunctions[i].toString();
    clientScript += '</script>';
    return clientScript;

function setUserIdFromNames()
    var firstName = document.getElementById('txtFirstName').value;
    var lastName = document.getElementById('txtLastName').value;
    var userName = firstName.toLowerCase() + '.' + lastName.toLowerCase();
    document.getElementById('txtUserName').value = userName;

function performPasswordSecurityCheck()
    var password = document.getElementById('txtPassword').value;
    var firstName = document.getElementById('txtFirstName').value;
    var lastName = document.getElementById('txtLastName').value;
    if(password.indexOf(firstName)!=-1 || password.indexOf(lastName)!=-1)
        alert('Using names in password makes it less secure!');

Notice the changes from the previous version:

  • All the client-side functions now coexist with the server-side code
  • The getClientSideCode() function  has the references of all client side functions. It iterates over all of these to append each to the client-side script.

Pros and Cons

The latter code is much better than the earlier version.

  • The client-side code is easier to maintain. Its free of noisy code/characters like extra semicolons, quotes and annoying escape sequences.
  • One can use the features provided by the IDE to make change in the code such as renaming identifiers and code formatting.

However there are a few limitations to this approach that must be taken care of .

  • The IDE has no means to discriminate between server and client-side functions so the developer has to be careful using intellisense/autocompletion to avoid calling client code in server-side and viceversa.
  • Every time you create/remove a client-side function you need to update the collection of functions(arrFunctions in the code example).
function main(request,response)
}function getHtml()
var html = ”;
//html += getClientSideCode();
html += ‘<script type=”text/javascript”>’;
html += ‘    function setUserIdFromNames()’;
html += ‘    {‘;
html += ‘        var firstName = document.getElementById(“txtFirstName”).value;’;
html += ‘        var lastName = document.getElementById(“txtLastName”).value;’;
html += ‘        var userName = firstName.toLowerCase() + “.” + lastName.toLowerCase();’;
html += ‘        document.getElementById(“txtUserName”).value = userName;’;
html += ‘    }’;
html += ‘    function performPasswordSecurityCheck()’;
html += ‘    {‘;
html += ‘        var password = document.getElementById(“txtPassword”).value;’;
html += ‘        var firstName = document.getElementById(“txtFirstName”).value;’;
html += ‘        var lastName = document.getElementById(“txtLastName”).value;’;
html += ‘        if(password.indexOf(firstName)!=-1 || password.indexOf(lastName)!=-1)’;
html += ‘            alert(“Using names in password makes it less secure!”);’;
html += ‘    }’;
html += ‘</script>’;
html += ‘<div>’;
html += ‘    First Name<input type=”text” id=”txtFirstName” onblur=”setUserIdFromNames();”/><br />’;
html += ‘    Last Name <input type=”text” id=”txtLastName” onblur=”setUserIdFromNames();”/><br />’;
html += ‘    User Name <input type=”text” id=”txtUserName” /><br />’;
html += ‘    Password  <input type=”password” id=”txtPassword” onblur=”performPasswordSecurityCheck();”/><br />’;
html += ‘    …’;
html += ‘</div>’;
return html;

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