Input Checkbox indeterminate attribute

Objeto sa HTML DOM na Input Checkbox

Definition and Usage

indeterminate Whether the attribute has been set or returned, the status of the checkbox has changed.

The checkbox actually has three states: true, false, and indeterminate, indicating that the checkbox is neither 'on' nor 'off'.

The checkbox cannot be set to an indeterminate state through HTML attributes - it must be set through JavaScript.

This state can be used to force the user to select or deselect the checkbox.

Example

Set checkbox to indeterminate state:

document.getElementById("myCheck").indeterminate = true;

Try it yourself

Syntax

Return indeterminate attribute:

checkboxObject.indeterminate

Set indeterminate attribute:

checkboxObject.indeterminate = true|false

属性值

值 描述
true|false

规定复选框的状态。

可能的值：

  • true - 复选框处于不确定状态
  • false - 默认。复选框未处于不确定状态。

技术细节

返回值： 布尔值，如果复选框处于不确定状态则返回 true，否则返回 false。

浏览器支持

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
支持 支持 支持 支持 支持

Objeto sa HTML DOM na Input Checkbox