md-input demo https://github.com/angular/material2/blob/master/src/demo-app/input/input-demo.html

input-demo.html

<md-card class="demo-card demo-basic">
  <md-toolbar color="primary">Basic</md-toolbar>
  <md-card-content>
    <form>
      <md-input-container class="demo-full-width">
        <input mdInput placeholder="Company (disabled)" disabled value="Google">
      </md-input-container>

      <table style="width: 100%" cellspacing="0"><tr>
        <td>
          <md-input-container style="width: 100%">
            <input mdInput placeholder="First name">
          </md-input-container>
        </td>
        <td>
          <md-input-container style="width: 100%">
            <input mdInput placeholder="Long Last Name That Will Be Truncated">
          </md-input-container>
        </td>
      </tr></table>
      <p>
        <md-input-container class="demo-full-width">
          <textarea mdInput placeholder="Address">1600 Amphitheatre Pkway</textarea>
        </md-input-container>
        <md-input-container class="demo-full-width">
          <textarea mdInput placeholder="Address 2"></textarea>
        </md-input-container>
      </p>
      <table style="width: 100%" cellspacing="0"><tr>
        <td>
          <md-input-container class="demo-full-width">
            <input mdInput placeholder="City" value="Mountain View">
          </md-input-container>
        </td>
        <td>
          <md-input-container class="demo-full-width">
            <input mdInput placeholder="State" maxLength="2" value="CA">
          </md-input-container>
        </td>
        <td>
          <md-input-container class="demo-full-width">
            <input mdInput #postalCode maxLength="5" placeholder="Postal Code" value="94043">
            <md-hint align="end">
              <md-icon>mode_edit</md-icon>
              {{postalCode.value.length}} / 5
            </md-hint>
          </md-input-container>
        </td>
      </tr></table>
    </form>
  </md-card-content>
</md-card>

<md-card class="demo-card demo-basic">
  <md-toolbar color="primary">Prefix + Suffix</md-toolbar>
  <md-card-content>
    <h4>Text</h4>
    <md-input-container align="end">
      <input mdInput placeholder="amount">
      <span mdPrefix>$&nbsp;</span>
      <span mdSuffix>.00</span>
    </md-input-container>

    <h4>Icons</h4>
    <md-input-container>
      <input mdInput placeholder="amount">
      <md-icon mdPrefix>attach_money</md-icon>
      <md-icon mdSuffix>mode_edit</md-icon>
    </md-input-container>
  </md-card-content>
</md-card>

<md-card class="demo-card demo-basic">
  <md-toolbar color="primary">Divider Colors</md-toolbar>
  <md-card-content>
    <h4>Input</h4>
    <md-input-container dividerColor="primary" >
      <input mdInput placeholder="Default Color" value="example">
    </md-input-container>
    <md-input-container dividerColor="accent">
      <input mdInput placeholder="Accent Color" value="example">
    </md-input-container>
    <md-input-container dividerColor="warn">
      <input mdInput placeholder="Warn Color" value="example">
    </md-input-container>

    <h4>Textarea</h4>
    <md-input-container dividerColor="primary">
      <textarea mdInput placeholder="Default Color">example</textarea>
    </md-input-container>
    <md-input-container dividerColor="accent">
      <textarea mdInput placeholder="Accent Color">example</textarea>
    </md-input-container>
    <md-input-container dividerColor="warn">
      <textarea mdInput placeholder="Warn Color">example</textarea>
    </md-input-container>
  </md-card-content>
</md-card>

<md-card class="demo-card demo-basic">
  <md-toolbar color="primary">Hints</md-toolbar>
  <md-card-content>
    <h4>Input</h4>
    <p>
      <md-input-container class="demo-full-width">
        <input mdInput
               #characterCountInputHintExample
               placeholder="Character count (100 max)"
               maxLength="100"
               value="Hello world. How are you?">
        <md-hint align="end">{{characterCountInputHintExample.value.length}} / 100</md-hint>
      </md-input-container>
    </p>

    <h4>Textarea</h4>
    <p>
      <md-input-container class="demo-full-width">
        <textarea mdInput
                  #characterCountTextareaHintExample
                  placeholder="Character count (100 max)"
                  maxLength="100">Hello world. How are you?</textarea>
        <md-hint align="end">{{characterCountTextareaHintExample.value.length}} / 100</md-hint>
      </md-input-container>
    </p>
  </md-card-content>
</md-card>

<md-card class="demo-card demo-basic">
  <md-toolbar color="primary">
    Hello&nbsp;
    <md-input-container dividerColor="accent">
      <input mdInput [(ngModel)]="name" type="text" placeholder="First name">
    </md-input-container>,
    how are you?
  </md-toolbar>
  <md-card-content>
    <p>
      <md-input-container>
        <input mdInput disabled placeholder="Disabled field" value="Value">
      </md-input-container>
      <md-input-container>
        <input mdInput required placeholder="Required field">
      </md-input-container>
    </p>
    <p>
      <md-input-container style="width: 100%">
        <input mdInput placeholder="100% width placeholder">
      </md-input-container>
    </p>
    <p>
      <md-input-container style="width: 100%">
        <input mdInput #input placeholder="Character count (100 max)" maxLength="100">
        <md-hint align="end">{{input.value.length}} / 100</md-hint>
      </md-input-container>
    </p>
    <p>
      <md-input-container hintLabel="Hint label" style="width: 100%">
        <input mdInput placeholder="Show Hint Label">
      </md-input-container>
    </p>

    <p>
      <md-input-container>
        <input mdInput>
        <md-placeholder>
          I <md-icon>favorite</md-icon> <b>bold</b> placeholder
        </md-placeholder>
        <md-hint>
          I also <md-icon>home</md-icon> <i>italic</i> hint labels
        </md-hint>
      </md-input-container>
    </p>
    <p>
      <md-input-container hintLabel="Hint label" style="width: 100%">
        <input mdInput #hintLabelWithCharCount placeholder="Show Hint Label With Character Count">
        <md-hint align="end">{{hintLabelWithCharCount.value.length}}</md-hint>
      </md-input-container>
    </p>
    <p>
      <md-checkbox [(ngModel)]="dividerColor">Check to change the divider color:</md-checkbox>
      <md-input-container [dividerColor]="dividerColor ? 'primary' : 'accent'">
        <input mdInput [placeholder]="dividerColor ? 'Primary color' : 'Accent color'">
      </md-input-container>
    </p>
    <p>
      <md-checkbox [(ngModel)]="requiredField"> Check to make required:</md-checkbox>
      <md-input-container>
        <input mdInput
               [required]="requiredField"
               [placeholder]="requiredField ? 'Required field' : 'Not required field'">
      </md-input-container>
    </p>
    <p>
      <md-button-toggle-group [(ngModel)]="floatingLabel">
        <md-button-toggle value="auto">Auto Float</md-button-toggle>
        <md-button-toggle value="always">Always Float</md-button-toggle>
        <md-button-toggle value="never">Never Float</md-button-toggle>
      </md-button-toggle-group>
    </p>

    <p>
      <md-input-container [floatPlaceholder]="floatingLabel">
        <input mdInput placeholder="Placeholder">
      </md-input-container>
    </p>

    <p>
      <md-input-container>
        <input mdInput placeholder="Prefixed" value="example">
        <div mdPrefix>Example:&nbsp;</div>
      </md-input-container>
      <md-input-container align="end">
        <input mdInput placeholder="Suffixed" value="123">
        <span mdSuffix>.00 €</span>
      </md-input-container>
      <br/>
      Both:
      <md-input-container align="end">
        <input mdInput #email placeholder="Email Address" value="angular-core">
        <span mdPrefix><md-icon [class.primary]="email.focused">email</md-icon>&nbsp;</span>
        <span mdSuffix [class.primary]="email.focused">&nbsp;@gmail.com</span>
      </md-input-container>
    </p>

    <p>
      Empty: <md-input-container><input mdInput></md-input-container>
      <label>Label: <md-input-container><input mdInput></md-input-container></label>
    </p>
  </md-card-content>
</md-card>

<md-card class="demo-card demo-basic">
  <md-toolbar color="primary">Number Inputs</md-toolbar>
  <md-card-content>
    <table width="100%">
      <thead>
      <td>Table</td>
      <td colspan="3">
        <button (click)="addABunch(5)">Add 5</button>
        <button (click)="addABunch(10)">Add 10</button>
        <button (click)="addABunch(100)">Add 100</button>
        <button (click)="addABunch(1000)">Add 1000</button>
      </td>
      </thead>
      <tr *ngFor="let item of items; let i = index">
        <td>{{i+1}}</td>
        <td>
          <md-input-container>
            <input mdInput
                   type="number"
                   placeholder="value"
                   aria-label="hello"
                   [(ngModel)]="items[i].value">
          </md-input-container>
        </td>
        <td>
          <input type="number" [(ngModel)]="items[i].value">
        </td>
        <td>{{item.value}}</td>
      </tr>
    </table>
  </md-card-content>
</md-card>

<md-card class="demo-card demo-basic">
  <md-toolbar color="primary">Forms</md-toolbar>
  <md-card-content>
    <md-input-container><input mdInput placeholder="reactive" [formControl]="formControl"></md-input-container>
    <md-input-container>
      <input mdInput placeholder="template" [(ngModel)]="model" required [disabled]="ctrlDisabled">
    </md-input-container>
    <button md-raised-button color="primary" (click)="formControl.enabled ? formControl.disable() : formControl.enable()">
      DISABLE REACTIVE CTRL
    </button>
    <button md-raised-button color="primary" (click)="ctrlDisabled = !ctrlDisabled">
      DISABLE TD CTRL
    </button>
  </md-card-content>
</md-card>

<md-card class="demo-card demo-basic">
  <md-toolbar color="primary">Textarea Autosize</md-toolbar>
  <md-card-content>
    <textarea mdTextareaAutosize class="demo-textarea"></textarea>
    <div>
      <md-input-container>
        <textarea mdInput
                  mdTextareaAutosize
                  placeholder="Autosized textarea"></textarea>
      </md-input-container>
    </div>
  </md-card-content>
</md-card>