popover/popoverTarget Pairing Lookup

Bounded HTML feature/convention note; no full document audit or live browser compatibility determination.

Description

popover/popoverTarget Pairing Lookup: look up a supported built-in reference entry.

A declarative popover interaction connects an activating control with a target element. The target's ID provides the link between them.1

This tool returns a built-in reference entry for an exact supported selector. The supported entries and their scope are part of the tool; no website or current external table is queried.

When to use this tool

Use this tool when the supplied inputs match the specific operation described above and you need a repeatable result under its stated convention.

  • Check the supported input and output contract against an existing calculation or observation.
  • Use the complete example to confirm units, selector spelling and result interpretation.

How to use the tool and how it works

  1. Enter every field in the input table using the stated units and the exact supported selector spelling where applicable.
  2. Run the tool. Correct input errors before interpreting an output.
  3. Read the result fields below; use accompanying flags and the stated sign, boundary or model convention when interpreting a number.

Accept declarative and return the built-in pairing note covering popovertarget and popovertargetaction.2

Input fieldMeaning and unitsAccepted input
topicTopic.Exact value: "declarative"
topicBuilt-in entry
"declarative"A supporting button popovertarget references the target popover element id; popovertargetaction selects show/hide/toggle. Pairing alone does not prove accessibility or browser support.
Output fieldInterpretation
resultObject containing the following named result fields.
result.referenceThe stored entry for the exact selected key; its type may be text, a number or a list.
json
{
  "input": {
    "topic": "declarative"
  },
  "output": {
    "result": {
      "reference": "A supporting button popovertarget references the target popover element id; popovertargetaction selects show/hide/toggle. Pairing alone does not prove accessibility or browser support."
    }
  }
}

Limitations and assumptions

  • The tool does not inspect a document, validate an ID relationship or test browser and accessibility behavior.
  • Every declared field is required and unexpected fields are rejected. Numeric inputs must be finite; input errors are distinct from a valid false result or an explicitly qualified output.
  • Extremely large inputs and nonfinite or excessively large outputs are rejected. List positions reported by the tool use zero-based indices unless stated otherwise.

Alternative or Complementary methods

Check the underlying observations, units and conventions independently before using the result in a larger workflow. The tools listed below address nearby tasks; compare their inputs and scope before substituting one for this operation.

References

  1. HTML Standard: the popover attribute and target attributes — WHATWG

  2. Tool behavior and example: popover/popoverTarget Pairing Lookup — tool.io

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