What is the focus in the computer?

The editor will share with you what the focus in the computer refers to. I hope you will gain something after reading this article. Let's discuss it together.

The focus is the cursor, the focus is the small vertical bar flashing in the page screen, the mouse click can get the cursor, the Tab key can switch the focus according to the set Tabindex, in the JavaScriptongoing you can get the focus through the [focus ()] method, and move the focus through the [blur ()] method.

The focus is the cursor, and the focus is the small vertical bar that flashes in the page screen. Click the mouse to get the cursor, and the Tab key can switch focus according to the set Tabindex. In JavaScriptongoing, you can get the focus through the focus () method and move the focus away by the blur () method.

Get focus:

The focus () method is used to give focus to the checkbox.

Syntax:

CheckboxObject.focus ()

Lose focus:

The blur () method is used to move focus away from the radio button.

Grammar.

RadioObject.blur ()

Example:

The following example sets or removes the focus on the radio button:

Function setFocus () {document.getElementById ('check1') .focus ()} function loseFocus () {document.getElementById (' check1') .blur ()}

Effect picture:

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