Zabbix Preprocessing JavaScript

Question

I have a value variable VALUE it is a literal numeric task to display 1 if the value is literal numeric and 0 if the value is FAILED Please tell me who knows what JS will look like, a beginner in programming.

function (value) { return value }

Answer 1

The javascript code will be like this:

function checkValue(value) {
  var result;
  if (!isNaN(value) && value !== '') {
    result = "1";
  } else if (value === "FAILED") {
    result = "0";
  } else {
    result = "value is not a literal numeric value or is FAILED.";
  }
  return result;
}

As a Zabbix javascript preprocessing:

Test: