Insert text after search via Button into a text field

1. How do I add text to a text field?
2. How can you send text input to an input field?

How do I add text to a text field?

Select in the document, and then drag to draw the text box the size that you want. To add text to a text box, click or tap inside the text box, and then type or paste text. To format the text in the text box, select it, and then Control + Click the text and select Font.

How can you send text input to an input field?

The line <input type="text"> creates a single line text input field, where the user can type any text input.