WP_Customize_Theme_Control
Customize Theme Control class.
WordPress File wp-includes/customize/class-wp-customize-theme-control.php
WP_Customize_Theme_Control::content_template()
Render a JS template for theme display.
WP_Customize_Theme_Control::render_content()
Don’t render the control content from PHP, as it’s rendered via JS on load.
WP_Customize_Theme_Control::to_json()
Refresh the parameters passed to the JavaScript via JSON.