pluginagentmarketplace
pluginagentmarketplace/custom-plugin-html
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
直接命令不会经过审查 Prompt；运行前请先检查来源。
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想先保存到本地？可下载 SkillsMP 当前能够提供的文件。
WCAG 2.2 AA compliance, ARIA patterns, screen reader compatibility, and inclusive design patterns
Core HTML5 elements, document structure, and foundational markup patterns
Semantic HTML5 markup patterns for meaningful, accessible, and SEO-optimized content structure
基于 SOC 职业分类
正在显示 SKILL.md
| name | forms |
| description | HTML5 forms, Constraint Validation API, accessible form patterns, and modern input types |
| sasmp_version | 1.3.0 |
| bonded_agent | html-expert |
| bond_type | PRIMARY_BOND |
| version | 2.0.0 |
| category | forms |
| complexity | intermediate |
| dependencies | ["html-basics","accessibility"] |
| parameters | {"form_type":{"type":"string","required":true,"enum":["contact","login","registration","search","checkout","survey","multi-step"]},"validation_mode":{"type":"string","default":"html5","enum":["html5","javascript","hybrid"]},"accessibility_level":{"type":"string","default":"AA","enum":["A","AA","AAA"]}} |
| retry | {"max_attempts":3,"backoff_ms":[1000,2000,4000],"retryable_errors":["VALIDATION_ERROR","PARSE_ERROR"]} |
Production-grade HTML5 forms with Constraint Validation API and accessible patterns.
Provide atomic, single-responsibility operations for:
interface FormsInput {
operation: 'create' | 'validate' | 'pattern' | 'convert';
form_type: FormType;
fields?: FieldDefinition[];
options?: {
validation_mode: 'html5' | 'javascript' | 'hybrid';
accessibility_level: 'A' | 'AA' | 'AAA';
autocomplete: boolean;
novalidate: boolean;
};
}
type FormType =
| 'contact' // Name, email, message
| 'login' // Email/username, password
| 'registration' // Full user signup
| 'search' // Search input
| 'checkout' // Payment form
| 'survey' // Questions, ratings
| 'multi-step'; // Wizard-style form
interface {
: ;
: ;
: ;
?: ;
?: ;
?: [];
}
interface FormsOutput {
success: boolean;
markup: string;
validation_script?: string;
accessibility_score: number;
issues: FormIssue[];
}
| Type | Purpose | Validation | Keyboard |
|---|---|---|---|
text | Generic text | pattern | text |
email | Email address | Built-in email | |
password | Passwords | pattern | text |
tel | Phone numbers | pattern | tel |
url | URLs | Built-in URL | url |
number | Numeric values | min/max/step | numeric |
date | Date picker | min/max | date |
time | Time picker | min/max/step | time |
datetime-local | Date + time | min/max | datetime |
search | Search queries | None | search |
color | Color picker | None | - |
range | Slider | min/max/step | - |
file | File upload | accept | - |
<form id="contact-form"
action="/api/contact"
method="POST"
novalidate
aria-labelledby="form-title">
<h2 id="form-title">Contact Us</h2>
<!-- Error Summary (initially hidden) -->
<div id="error-summary"
role="alert"
aria-live="polite"
hidden>
<h3>Please fix the following errors:</h3>
<ul id="error-list"></ul>
</div>
<!-- Name Field -->
<div class="field">
<label for="name">
Full Name
<span class="required" aria-hidden="true">*</span>
</label>
<input type="text"
id="name"
name="name"
required
aria-required="true"
autocomplete="name"
aria-describedby="name-hint">
<p id="name-hint" class="hint">Enter your full name</p>
<p id="name-error" class="error" aria-live="polite"></p>
</div>
<!-- Email Field -->
<div class="field">
<label for="email">
Email
<span class="required" aria-hidden="true">*</span>
</label>
<input type="email"
id="email"
name="email"
required
aria-required="true"
autocomplete="email"
aria-describedby="email-hint email-error">
<p id="email-hint" class="hint">We'll never share your email</p>
<p id="email-error" class="error" aria-live="polite"></p>
</div>
<!-- Message Field -->
<div class="field">
<label for="message">
Message
<span class="required" aria-hidden="true">*</span>
</label>
<textarea id="message"
name="message"
rows="5"
required
aria-required="true"
minlength="10"
maxlength="1000"
aria-describedby="message-hint message-count"></textarea>
<p id="message-hint" class="hint">10-1000 characters</p>
<p id="message-count" class="hint" aria-live="polite">0/1000</p>
<p id="message-error" class="error" aria-live="polite"></p>
</div>
<button type="submit">Send Message</button>
</form>
const form = document.getElementById('contact-form');
const inputs = form.querySelectorAll('input, textarea, select');
// Disable browser default validation UI
form.setAttribute('novalidate', '');
// Validate on submit
form.addEventListener('submit', (e) => {
if (!validateForm()) {
e.preventDefault();
showErrorSummary();
focusFirstError();
}
});
// Validate on blur for immediate feedback
inputs.forEach(input => {
input.addEventListener('blur', () => validateField(input));
input.addEventListener('input', () => {
if (input.classList.contains('invalid')) {
validateField(input);
}
});
});
function validateForm() {
let isValid = true;
inputs.forEach(input => {
if (!validateField(input)) {
isValid = false;
}
});
return isValid;
}
function validateField(input) {
const errorEl = document.getElementById(`${input.id}-error`);
// Check validity using Constraint Validation API
if (!input.checkValidity()) {
const message = getErrorMessage(input);
showError(input, errorEl, message);
return false;
}
clearError(input, errorEl);
return true;
}
function getErrorMessage(input) {
const validity = input.validity;
if (validity.valueMissing) {
return `${input.labels[0].textContent} is required`;
}
if (validity.typeMismatch) {
return `Please enter a valid ${input.type}`;
}
if (validity.patternMismatch) {
return input.dataset.patternError || 'Please match the requested format';
}
if (validity.tooShort) {
return `Must be at least ${input.minLength} characters`;
}
if (validity.tooLong) {
return `Must be no more than ${input.maxLength} characters`;
}
if (validity.rangeUnderflow) {
return `Must be at least ${input.min}`;
}
if (validity.rangeOverflow) {
return `Must be no more than ${input.max}`;
}
return input.validationMessage;
}
function showError(input, errorEl, message) {
input.classList.add('invalid');
input.setAttribute('aria-invalid', 'true');
input.setAttribute('aria-errormessage', errorEl.id);
errorEl.textContent = message;
errorEl.hidden = false;
}
function clearError(input, errorEl) {
input.classList.remove('invalid');
input.removeAttribute('aria-invalid');
input.removeAttribute('aria-errormessage');
errorEl.textContent = '';
errorEl.hidden = true;
}
function focusFirstError() {
const firstError = form.querySelector('.invalid');
if (firstError) {
firstError.focus();
}
}
| Code | Description | Recovery |
|---|---|---|
FORM001 | Missing form label | Add aria-labelledby or aria-label |
FORM002 | Input without label | Add <label> element |
FORM003 | Invalid pattern regex | Fix regex syntax |
FORM004 | Missing required indicator | Add visual + aria indicator |
FORM005 | No error message element | Add aria-live region |
FORM006 | Autocomplete missing | Add autocomplete attribute |
FORM007 | Submit without action | Add form action |
FORM008 | Fieldset without legend | Add legend element |
| Property | True When |
|---|---|
valid | All constraints satisfied |
valueMissing | Required field is empty |
typeMismatch | Value doesn't match type (email, url) |
patternMismatch | Value doesn't match pattern |
tooLong | Value exceeds maxlength |
tooShort | Value below minlength |
rangeUnderflow | Value below min |
rangeOverflow | Value above max |
stepMismatch | Value doesn't match step |
badInput | Browser can't convert input |
customError | setCustomValidity() called |
Debug Checklist:
□ novalidate attribute set?
□ JavaScript calling checkValidity()?
□ Required attribute on mandatory fields?
□ Pattern regex valid?
□ Type attribute correct?
□ Min/max values valid?
Debug Checklist:
□ Error container has role="alert"?
□ aria-live="polite" or "assertive" set?
□ Error linked via aria-errormessage?
□ aria-invalid="true" on field?
□ Error content actually changing?
Debug Checklist:
□ autocomplete attribute present?
□ Correct autocomplete value?
□ Input has name attribute?
□ Form has action?
□ Browser autocomplete enabled?
| Value | Purpose |
|---|---|
name | Full name |
given-name | First name |
family-name | Last name |
email | Email address |
tel | Phone number |
street-address | Street address |
postal-code | ZIP/Postal code |
country | Country |
cc-number | Credit card number |
cc-exp | Card expiration |
cc-csc | Security code |
username | Username |
current-password | Current password |
new-password | New password |
<form action="/login" method="POST" aria-labelledby="login-title">
<h2 id="login-title">Sign In</h2>
<div class="field">
<label for="username">Email or Username</label>
<input type="text"
id="username"
name="username"
required
autocomplete="username"
autofocus>
</div>
<div class="field">
<label for="password">Password</label>
<input type="password"
id="password"
name="password"
required
autocomplete="current-password"
minlength="8">
<a href="/forgot-password">Forgot password?</a>
</div>
<label class="checkbox">
<input type="checkbox" name="remember" value="1">
Remember me
</label>
<button type="submit">Sign In</button>
<p>Don't have an account? <a href="/register">Sign up</a></p>
</form>
<form role="search"
action="/search"
method="GET"
aria-label="Site search">
<label for="search-input" class="visually-hidden">
Search
</label>
<input type="search"
id="search-input"
name="q"
placeholder="Search..."
autocomplete="off"
aria-describedby="search-hint">
<button type="submit" aria-label="Submit search">
<svg aria-hidden="true">...</svg>
</button>
<p id="search-hint" class="visually-hidden">
Enter keywords to search
</p>
</form>
<form id="wizard" aria-labelledby="wizard-title">
<h2 id="wizard-title">Registration</h2>
<!-- Progress indicator -->
<nav aria-label="Registration progress">
<ol>
<li aria-current="step">
<span class="step-number">1</span>
<span class="step-label">Account</span>
</li>
<li>
<span class="step-number">2</span>
<span class="step-label">Profile</span>
</li>
<li>
<span class="step-number">3</span>
<span class="step-label">Confirm</span>
</li>
</ol>
</nav>
<!-- Step 1: Account -->
<fieldset id="step-1" class="step active">
<legend>Account Information</legend>
<div class="field">
<label for="email">Email</label>
<input type="email" id="email" name="email" required>
</div>
<div class="field">
<label for="password">Password</label>
<input type="password"
id="password"
name="password"
required
minlength="8"
autocomplete="new-password">
</div>
<button type="button" onclick="nextStep(1)">Next</button>
</fieldset>
<!-- Step 2: Profile (hidden initially) -->
<fieldset id="step-2" class="step" hidden>
<legend>Profile Information</legend>
<!-- fields -->
<button type="button" onclick="prevStep(2)">Back</button>
<button type="button" onclick="nextStep(2)">Next</button>
</fieldset>
<!-- Step 3: Confirm (hidden initially) -->
<fieldset id="step-3" class="step" hidden>
<legend>Confirm Details</legend>
<!-- summary -->
<button type="button" onclick="prevStep(3)">Back</button>
<button type="submit">Create Account</button>
</fieldset>
</form>
# Create contact form
skill: forms
operation: create
form_type: contact
options:
validation_mode: hybrid
accessibility_level: "AA"
autocomplete: true
# Validate form markup
skill: forms
operation: validate
markup: "<form>...</form>"
# Get login form pattern
skill: forms
operation: pattern
form_type: login