JQuery学习笔记六

学习笔记

返回值:Array<Element(s)>:input

匹配所有 input, textarea, select 和 button 元素

查找所有的input元素，下面这些元素都会被匹配到。

<form>
    <input type="button" value="Input Button"/>
    <input type="checkbox" />

    <input type="file" />
    <input type="hidden" />
    <input type="image" />

    <input type="password" />
    <input type="radio" />
    <input type="reset" />

    <input type="submit" />
    <input type="text" />
    <select><option>Option</option></select>

    <textarea></textarea>
    <button>Button</button>

</form>

$(":input")

[ 
    <input type="button" value="Input Button"/>,
    <input type="checkbox" />,

    <input type="file" />,
    <input type="hidden" />,
    <input type="image" />,

    <input type="password" />,
    <input type="radio" />,
    <input type="reset" />,

    <input type="submit" />,
    <input type="text" />,
    <select><option>Option</option></select>,

    <textarea></textarea>,
    <button>Button</button>,
 ]

返回值:Array<Element(s)>:text

匹配所有的单行文本框

查找所有文本框

<form>
  <input type="text" />
  <input type="checkbox" />
  <input type="radio" />
  <input type="image" />
  <input type="file" />
  <input type="submit" />
  <input type="reset" />
  <input type="password" />
  <input type="button" />
  <select><option/></select>
  <textarea></textarea>
  <button></button>
</form>

$(":text")

[ <input type="text" /> ]

返回值:Array<Element(s)>:password

匹配所有密码框

查找所有密码框

<form>
  <input type="text" />
  <input type="checkbox" />
  <input type="radio" />
  <input type="image" />
  <input type="file" />
  <input type="submit" />
  <input type="reset" />
  <input type="password" />
  <input type="button" />
  <select><option/></select>
  <textarea></textarea>
  <button></button>
</form>

$(":password")

[ <input type="password" /> ]

返回值:Array<Element(s)>:radio

匹配所有单选按钮

查找所有单选按钮

<form>
  <input type="text" />
  <input type="checkbox" />
  <input type="radio" />
  <input type="image" />
  <input type="file" />
  <input type="submit" />
  <input type="reset" />
  <input type="password" />
  <input type="button" />
  <select><option/></select>
  <textarea></textarea>
  <button></button>
</form>

$(":radio")

[ <input type="radio" /> ]

返回值:Array<Element(s)>:checkbox

匹配所有复选框

<form>
  <input type="text" />
  <input type="checkbox" />
  <input type="radio" />
  <input type="image" />
  <input type="file" />
  <input type="submit" />
  <input type="reset" />
  <input type="password" />
  <input type="button" />
  <select><option/></select>
  <textarea></textarea>
  <button></button>
</form>

$(":checkbox")

[ <input type="checkbox" /> ]