Google Apps Script – Returning Undefined
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What I want to do:
Submit the values from two textboxes (Last Name & First Name)
Process the two values in Code.gs (Create a string in “Hello LastName, FirstName” format)
Return back the processed value and display it to the third textbox.
Please note that I can do it if the processing of data is in html, but I want to practice doing it in Code.gs since I want to fiddle with Google Sheets in the future, I just wanted to study it little by little. But when I transferred the processing inside Code.gs, the returned data is “undefined”. Your help is very much appreciated. Thank you very much!
Present code:
Code.gs:
function doGet(e) {
return HtmlService
.createTemplateFromFile(‘Index’).evaluate();
}
function getData(a,b){
var lastName = a;
var firstName = b;
var txtResult = “Hello ” + lastName + “, ” + firstName;
return txtResult;
}
Index.html:
<!DOCTYPE html>
<html>
<body>
<div>
<label>Enter Last Name</label>
<input type=”text” id=”txtLastName”/></br>
<label>Enter First Name</label>
<input type=”text” id=”txtFirstName”/></br>
<button id=”btnProcess”>Process</button></br>
<input type=”text” id=”txtResult”/>
</div>
</body>
<script>
document.getElementById(“btnProcess”).addEventListener(“click”, processData);
function processData() {
var lastName = document.getElementById(“txtLastName”).value
var firstName = document.getElementById(“txtFirstName”).value
document.getElementById(“txtResult”).value = google.script.run.getData(lastName,firstName);
}
</script>
</html>
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