HTML <output> for Attribute

Example

<form oninput="result.value=parseInt(a.value)+parseInt(b.value)">
  <input type="range" id="b" name="b" value="50" /> +
  <input type="number" id="a" name="a" value="10" /> =
  <output name="result" for="a b">50</output>
</form>

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Meaning

The for attribute should be set to the id value(s) of the elements that target this element.

This element specifies the relationship between the result of the calculation and the elements contributed input values to this calculation.

The value of this attribute can be a list of IDs of other elements.

Standard Syntax

<output for="elementId">...</output>

Attribute Values