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html: add more input types notes
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@ -358,7 +358,7 @@ Used to apply a specific style inline.
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<footer></footer>
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```
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## HTML Forms
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## HTML Forms & Inputs
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```html
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<form action="data-receiver" target="" method="http-method">
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@ -397,8 +397,18 @@ PROs & CONs of `POST` method:
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<label for="target-identifier">label-here</label>
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<input type="input-type" name="input-name" value="value-sent" id="target-identifier">
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</form>
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<!-- SAME AS -->
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<form>
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<label>Label:
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<input type="input-type" name="input-name" value="value-sent" id="target-identifier">
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</label>
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</form>
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```
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> **Note**: The `<label>` tag is used to define the labels for `<input>` elements.
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Input Attributes:
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* `name`: assigns a name to the form control (used by JavaScript and queries)
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@ -410,73 +420,41 @@ Input Attributes:
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### Text Field
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One line areas that allow the user to input text.
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The `<label>` tag is used to define the labels for `<input>` elements.
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```html
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<form>
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<label for="identifier">Label:</label>
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<input type="text" name="label-name" id="identifier" placeholder="placeholder-text">
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</form>
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<!-- SAME AS -->
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<form>
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<label>Label:
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<input type="text" name="label-name" id="identifier" placeholder="placeholder-text">
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</label>
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</form>
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<input type="text" placeholder="placeholder-text" spellcheck="true" pattern="\regex\">
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```
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Text inputs can display a placeholder text that will disappear as soon as some text is entered
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> **Note**: Text inputs can display a placeholder text that will disappear as soon as some text is entered
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### Password Field
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```html
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<form>
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<label for="identifier">Password:</label>
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<input type="password" name="user-password" id="identifier">
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</form>
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<input type="password">
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```
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### Radio Buttons
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```html
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<form action="..." method="post" target="_blank">
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<label for="identifier">Radiobutton-Text</label>
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<input type="radio" name="option-name" id="identifier" value="option-value">
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<label for="identifier">Radiobutton-Text</label>
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<input type="radio" name="option-name" id="identifier" value="option-value" checked="checked">
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<button type="submit">Button-Action</button>
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</form>
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<input type="radio" value="value">
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<input type="radio" value="value" checked>
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```
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### Checkboxes
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```html
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<form>
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<label for="identifier">Option-Name</label>
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<input type="checkbox" name="" id="identifier">
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<label for="identifier">Option-Name</label>
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<input type="checkbox" name="" id="identifier">
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<label for="identifier">Option-Name</label>
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<input type="checkbox" name="" id="identifier" checked="checked">
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</form>
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<input type="checkbox">
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<input type="checkbox" checked>
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```
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### Dropdown Menus
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```html
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<form>
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<label for="identifier">Label:</label>
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<select name="" id="identifier" multiple>
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<select multiple>
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<option value="value">Value</option>
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<option value="value">Value</option>
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<option value="value" selected>Value</option>
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</select>
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</form>
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```
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Use `<select>` rather than radio buttons when the number of options to choose from is large
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@ -484,39 +462,33 @@ Use `<select>` rather than radio buttons when the number of options to choose fr
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Provides the ability to select multiple options.
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Conceptually, `<select>` becomes more similar to checkboxes.
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### FILE Select
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### File Select
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Upload a local file as an attachment
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Upload a local file as an attachment. The `accept` attribute value is a string that defines the file types the file input should accept.
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This string is a comma-separated list of [unique file type specifiers][file_type_specifiers_docs].
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```html
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<form>
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<label for="file-select">Upload:</label>
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<input type="file" name="upload" value="file-select">
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</form>
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<input type="file" value="filename" accept=".txt,application/json,audio/*">
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```
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[file_type_specifiers_docs]: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file#unique_file_type_specifiers
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### Text Area
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Multi line text input.
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```html
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<form>
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<label for="identifier">Label:</label>
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<textarea name="label" rows="row-number" cols="column-number" id="identifier">pre-existing editable test</textarea>
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<!-- rows and columns should be defined in a CSS -->
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</form>
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<textarea rows="row-number" cols="column-number" >pre-existing editable test</textarea>
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```
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### Submit & Reset
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```html
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<form action="" method="POST">
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<input type="submit" value="">
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<input type="reset" value="">
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<input type="submit" value="label">
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<input type="reset" value="label">
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<!-- OR -->
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<button type="submit" value="">
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<button type="reset" value="">
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</form>
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<button type="submit" value="label">
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<button type="reset" value="label">
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```
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`submit`: sends the form data to the location specified in the action attribute.
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@ -525,10 +497,10 @@ Multi line text input.
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### Button
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```html
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<button type="button/reset/submit" value=""/>
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<button type="button/reset/submit" value="label"/>
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<!-- can contain HTML -->
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<button type="button/reset/submit" value=""></button>
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<button type="button/reset/submit" value="lebel"></button>
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```
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### Fieldset
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@ -547,19 +519,6 @@ Group controls into categories. Particularly important for screen readers.
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</fieldset>
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```
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## HTML5 Input Types
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Newer input types are useful for:
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* validation
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* restricting user input
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* Using custom dialogs
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Downsides:
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* most are not supported by older browsers, especially Internet Explorer.
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* each browser has a different implementation so the user experience is not consistent.
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### Email Field
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Used to receive a valid e-mail address from the user. Most browsers can validate this without needing javascript.
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@ -573,6 +532,26 @@ Older browsers don't support this input type.
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</form>
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```
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### Progress Bar
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```html
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<progress max="100" value="70"> 70% </progress>
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```
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### Slider
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```html
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<input type="range" min="0" max="20">
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```
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### Meter
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The `<meter>` HTML element represents either a scalar value within a known range or a fractional value.
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```html
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<meter min="0" max="100" low="33" high="66" optimum="80" value="50" />
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```
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### More Input Types
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```html
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@ -580,6 +559,14 @@ Older browsers don't support this input type.
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<input type="url" id="url" name="url">
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<input type="number" name="" id="identifier" min="min-value" max="max-value" step="">
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<input type="search" id="identifier" name="">
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<!-- Native Search with autocomplete -->
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<input list="items">
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<datalist id="items">
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<option value="value-1">
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<option value="value-2">
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<option value="value-3">
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</datalist>
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```
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### [Using Built-In Form Validation](https://developer.mozilla.org/en-US/docs/Learn/Forms/Form_validation)
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