Created
November 22, 2024 21:26
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JS Rendered Web Components. Watch the tutorial: https://youtu.be/Ir70eirsVJ4
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Toggle Password</title> | |
| <style type="text/css"> | |
| body { | |
| margin: 1em auto; | |
| max-width: 30em; | |
| width: 88%; | |
| } | |
| label, | |
| input:not([type="checkbox"]), | |
| toggle-password { | |
| display: block; | |
| width: 100%; | |
| } | |
| input, | |
| toggle-password { | |
| margin-bottom: 1em; | |
| } | |
| /*toggle-password { | |
| background-color: #f7f7f7; | |
| padding: 0.5em; | |
| }*/ | |
| /** | |
| * Setup keyframes for pulsing animation | |
| */ | |
| @-webkit-keyframes loadingPlaceholders { | |
| 0% { | |
| background-color: lightgray; | |
| } | |
| 50% { | |
| background-color: #e5e5e5; | |
| } | |
| 100% { | |
| background-color: lightgray; | |
| } | |
| } | |
| @keyframes loadingPlaceholders { | |
| 0% { | |
| background-color: lightgray; | |
| } | |
| 50% { | |
| background-color: #e5e5e5; | |
| } | |
| 100% { | |
| background-color: lightgray; | |
| } | |
| } | |
| toggle-password:not(:defined) { | |
| min-height: 85px; | |
| -webkit-animation: loadingPlaceholders 1.5s ease-in infinite; | |
| animation: loadingPlaceholders 1.5s ease-in infinite; | |
| background-color: #e5e5e5; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1>Toggle Password</h1> | |
| <form> | |
| <!-- A checkbox toggle --> | |
| <toggle-password | |
| field-value="test1234" | |
| > | |
| </toggle-password> | |
| <!-- A button toggle --> | |
| <toggle-password | |
| use-button | |
| field-value="test1234" | |
| > | |
| </toggle-password> | |
| <!-- Show password fields by default --> | |
| <toggle-password | |
| use-button | |
| visible | |
| field-value="test1234" | |
| > | |
| </toggle-password> | |
| </form> | |
| <script src="toggle-password.js"></script> | |
| </body> | |
| </html> |
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| customElements.define('toggle-password', class extends HTMLElement { | |
| /** | |
| * Instantiate the Web Component | |
| */ | |
| constructor () { | |
| // Get parent class properties | |
| super(); | |
| // Define properties | |
| this.uid = crypto.randomUUID(); | |
| this.label = this.getAttribute('field-label') || 'Password'; | |
| this.fieldName = this.getAttribute('field-name') || 'password'; | |
| this.fieldValue = this.getAttribute('field-value') || ''; | |
| this.useButton = this.hasAttribute('use-button'); | |
| this.triggerLabel = this.getAttribute('trigger-label') || 'Show password'; | |
| this.visible = this.hasAttribute('visible'); | |
| // Setup the UI | |
| this.init(); | |
| } | |
| /** | |
| * Handle events | |
| * @param {Event} event The event object | |
| */ | |
| handleEvent (event) { | |
| this.toggle(); | |
| } | |
| /** | |
| * Show hidden elements and add ARIA | |
| */ | |
| init () { | |
| // Render HTML | |
| this.innerHTML = | |
| `<label for="${this.fieldName}-${this.uid}">${this.label}</label> | |
| <input id="${this.fieldName}-${this.uid}" name="${this.fieldName}" type="${this.visible ? 'text' : 'password'}" value="${this.fieldValue}"> | |
| ${this.useButton ? | |
| `<button type="button" toggle aria-pressed="${this.visible}"> | |
| ${this.triggerLabel} | |
| </button>` : | |
| `<label> | |
| <input toggle type="checkbox"> | |
| ${this.triggerLabel} | |
| </label>`}`; | |
| // Get newly rendered elements | |
| this.password = this.querySelector('[type="password"]'); | |
| this.trigger = this.querySelector('[toggle]'); | |
| // Listen for click events | |
| this.trigger.addEventListener('click', this); | |
| } | |
| /** | |
| * Show passwords | |
| */ | |
| show () { | |
| this.password.type = 'text'; | |
| if (this.useButton) { | |
| this.trigger.setAttribute('aria-pressed', true); | |
| } | |
| } | |
| /** | |
| * Hide password visibility | |
| */ | |
| hide () { | |
| this.password.type = 'password'; | |
| if (this.useButton) { | |
| this.trigger.setAttribute('aria-pressed', false); | |
| } | |
| } | |
| /** | |
| * Toggle password visibility on or off | |
| */ | |
| toggle () { | |
| let show = this.useButton ? this.trigger.getAttribute('aria-pressed') === 'false' : this.trigger.checked; | |
| if (show) { | |
| this.show(); | |
| } else { | |
| this.hide(); | |
| } | |
| } | |
| }); |
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