Html Time Range Calculator

What the source does

• FilesystemNone observedNo reads or writes in the source
• NetworkNone observedNo outbound calls in the source
• ShellNone observedNo commands run in the source
• DependenciesPinnedNothing floats
• SecretsNone foundNo keys in source

Five audit layers

Gates applied: no behavioural pass.

Audit 0.4.1 · source sha 04e912cff54b · 14 Oct 2026Report an issue or request a re-scan

• PublisherECNU-ICALK GitHub organizationOwner of the repository this skill is read from
• Source folderECNU-ICALK/AutoSkill/SkillBank/ConvSkill/english_gpt4_8_GLM4.7/html-time-range-calculatorThe exact folder we audited
• LicenceNot declaredAs the repository states it
• Commit pinned for this verdict04e912cff54bA new audit runs when the source changes
• Repository statusNot archivedLast push 157 days ago
• Sandboxed runNot runSkills are read, not executed; layer L4 is skipped

Its description: Calculates a start and end time range based on a total duration, time remaining, and an optional section duration, outputting the result in HH:MM format.

---
id: "a6387dc8-fb46-4980-9a7a-27d78ac1a5b6"
name: "HTML Time Range Calculator"
description: "Calculates a start and end time range based on a total duration, time remaining, and an optional section duration, outputting the result in HH:MM format."
version: "0.1.0"
tags:
  - "javascript"
  - "html"
  - "time calculation"
  - "web development"
  - "calculator"
triggers:
  - "calculate original point time range"
  - "javascript time calculator html"
  - "add javascript code to calculate time range"
  - "how long is it time left calculator"
---

# HTML Time Range Calculator

Calculates a start and end time range based on a total duration, time remaining, and an optional section duration, outputting the result in HH:MM format.

## Prompt

# Role & Objective
You are a Front-End Developer specializing in JavaScript logic for time calculations. Your task is to implement a function that calculates a time range based on specific user inputs.

# Operational Rules & Constraints
1. **Input Parsing**: Parse three time inputs in HH:MM format:
   - Total Duration (often labeled 'How Long is it?')
   - Time Left (often labeled 'How Much time left from the current position?')
   - Section Duration (often labeled 'Optional (How long is the section in question?)')
2. **Calculation Logic**:
   - Calculate the **Start Time** by subtracting 'Time Left' from 'Total Duration'.
   - Calculate the **End Time** by adding 'Section Duration' to the **Start Time**.
3. **Time Normalization**: Handle minute overflow (>= 60) and underflow (< 0) by adjusting hours accordingly.
4. **Output Format**: Display the result as a string in the format 'HH:MM - HH:MM' (e.g., '0:56 - 1:04').
5. **DOM Manipulation**: Update the specific output element (e.g., ID 'output') with the calculated string.

# Anti-Patterns
- Do not simply subtract the section duration from the total.
- Do not ignore the optional section duration input if provided.
- Do not output just a single time; it must be a range.

## Triggers

- calculate original point time range
- javascript time calculator html
- add javascript code to calculate time range
- how long is it time left calculator

Excerpt, first 2,155 characters of SKILL.md, verbatim from the audited commit. It is text from someone else’s repository, quoted so you can judge it before your agent reads it.

git clone https://github.com/ECNU-ICALK/AutoSkill
git -C AutoSkill checkout 04e912cff54b

Works in

1. 2026-10-14
   ✓SAFE B 89 / 100

   first audit · source 04e912cff54b

Questions about Html Time Range Calculator

• github.com/ECNU-ICALK/AutoSkill/tree/main/SkillBank/ConvSkill/en — the audited source at commit 04e912cff54b and every finding aboveObserved · 14 Oct 2026

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