how to add element and text?

Adding elements and text is not easy to understand and it takes quite a bit of code. I have a bunch of generatized functions that help me with this. Here is the basic code that will add a p element (and some text) to a selected body element. You will need to generalize this, but it should get you started.

#target framemaker

main ();

function main () {
    
    var doc;
    
    doc = app.ActiveDoc;
    if (doc.ObjectValid () === 1) {
        processDoc (doc);
    }
}

function processDoc (doc) {
    
    var element, elementDef, elementRange, newElement, textLoc;
    
    // Work with the selected element to see how it works.
    element = doc.ElementSelection.beg.child;
    if ((element.ObjectValid () === 1) && (element.ElementDef.Name === "body")) {
        // Get the p element definition.
        elementDef = doc.GetNamedElementDef ("p");
        if (elementDef.ObjectValid () === 1) {
            // Make an element range at the end of the element.
            elementRange = getElementRangeAtEnd (element);
            // Add the element.
            newElement = elementDef.NewElement (doc.ElementLocToTextLoc (elementRange.beg));
            if (newElement.ObjectValid () === 1) {
                // Add the new text to the element.
                elementRange = getElementRangeInside (newElement);
                textLoc = doc.ElementLocToTextLoc (elementRange.beg);
                doc.AddText (textLoc, "Element text!");                
            }
        }
    }
}

function getElementRangeAtEnd (element) {
    
    var elementRange;
    
    elementRange = new ElementRange ();
    elementRange.beg.parent = element;
    elementRange.beg.offset = Constants.FV_OBJ_END_OFFSET;
    elementRange.end.parent = element;
    elementRange.end.offset = Constants.FV_OBJ_END_OFFSET;

    return elementRange;
}


function getElementRangeInside (element) {
    
    var elementRange;
    
    elementRange = new ElementRange ();
    elementRange.beg.parent = element;
    elementRange.beg.offset = 0;
    elementRange.end.parent = element;
    elementRange.end.offset = Constants.FV_OBJ_END_OFFSET;

    return elementRange;
}