JavaScript code for automatic date population

Question

I have an adobe PDF that I am trying to automate for faster processing. I have the pdf I am working with, see attached.

I'd like to enter JavaScript code to make it so that when I put the date into the OHARNG entry date box, it auto populates dates that Soldiers would be receiving said award. The number of years after entry date are annotated inside parentheses beside number of award, i.e. "(3)" beside "1st" under the OHAWM column.

Additionally, I would like to conditionally format it so that the date won't physically show up unless it is on or past the current date when the pdf gets opened.

I have searched for hours and cannot seem to find a code or conditional format that will do this.

try67 · Accepted Answer

You can use something like this as a doc-level script, so it executes each time the file is opened:

var startDateString = this.getField("OHARNG").valueAsString;
if (startDateString=="") {
	this.resetForm(["OHAWM"]);
} else {
	var startDate = util.scand("mm/dd/yyyy", startDateString);
	var prizeDateOHAWM = new Date(startDate.getTime());
	prizeDateOHAWM.setFullYear(prizeDateOHAWM.getFullYear()+3);
	var now = new Date();
	if (prizeDateOHAWM.getTime()>=now.getTime()) {
		this.getField("OHAWM").value = util.printd("mm/dd/yyyy", prizeDateOHAWM);
	} else this.getField("OHAWM").value = "";
	
}

Adjust field names and durations as needed.

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