The low property of the HTMLMeterElement interface represents the low boundary of the <meter> element as a floating-point number. It reflects the element's low attribute, or the value of min if not defined. The value of low is clamped by the min and max values.
This property can also be set directly, for example to set a default value based on some condition.
A number that is not less than HTMLMeterElement.min nor greater than HTMLMeterElement.max.
<label for="fuel">Current fuel level:</label>
<meter
id="fuel"
min="0"
max="100"
low="15"
high="66"
optimum="80"
value="50"></meter>const meterElement = document.getElementById("fuel");
console.log(meterElement.low); // 15
--meterElement.low;
console.log(meterElement.low); // 14