Theme customizer in Wordpress - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the WordPress Theme Customizer?

The Theme Customizer is a tool in WordPress that lets you change your site's look and settings live, so you can see changes before saving them.

beginner

Which function is used to add settings and controls to the Theme Customizer?

The function add_action('customize_register', 'your_function') is used to add settings and controls to the Theme Customizer.

beginner

What is a 'setting' in the Theme Customizer?

A setting stores the value of a customization option, like a color or text, that the user can change.

intermediate

How do you make a live preview update in the Theme Customizer without refreshing the page?

You use postMessage transport for the setting and write JavaScript to update the preview instantly.

beginner

What is the role of 'controls' in the Theme Customizer?

Controls are the user interface elements like text boxes, color pickers, or dropdowns that let users change settings.

Which hook do you use to add custom settings to the WordPress Theme Customizer?

A customize_register

B init

C wp_enqueue_scripts

D admin_init

The 'customize_register' hook is specifically for adding settings and controls to the Theme Customizer.

What does the 'transport' option set to 'postMessage' do in a Theme Customizer setting?

A Disables the setting

B Saves the setting to the database

C Enables live preview updates without page reload

D Changes the setting type to text

Setting 'transport' to 'postMessage' allows changes to appear instantly in the preview using JavaScript.

Which of these is NOT a control type in the Theme Customizer?

A Database query

B Color picker

C Text box

D Dropdown menu

Database query is not a control type; controls are UI elements like color pickers or text boxes.

Where do you write the JavaScript code to handle live preview updates in the Theme Customizer?

A In the database

B In the theme's functions.php only

C In the WordPress admin dashboard

D In the customizer preview script enqueued with 'customize_preview_init'

JavaScript for live preview updates is enqueued using the 'customize_preview_init' hook.

What is the main benefit of using the Theme Customizer for users?

A They can create new posts

B They can see changes live before saving

C They can install plugins

D They can edit PHP files directly

The Theme Customizer lets users preview changes live, making it easier to design their site.

Explain how to add a new color setting and control to the WordPress Theme Customizer.

Think about the steps to register a setting and then show a control for it.

Describe how live preview updates work in the Theme Customizer and why they are useful.

Focus on the role of JavaScript and the postMessage transport.