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WordPress already ships with jQuery. There is no need to include it in your theme.

#Javascript

Let's say your jquery.tabify.js file is located in /js/jquery.tabify.js in your theme. Include the following code in your functions.php file:

function jquery_tabify() {
    wp_enqueue_script(
        'jquery-tabify',
        get_template_directory_uri() . '/js/jquery.tabify.js',
        array( 'jquery' )
    );
}
add_action( 'wp_enqueue_scripts', 'jquery_tabify' );

This will include your script and jQuery. jQuery is marked as a dependency, so it's loaded first. If you have a file that hosted on other server, delete the 'get_template_directory_uri() . ' and put the URL instead the path, e.g. 'http://example.com/script.js'.

#CSS

You register styles the same way. Assuming your file is located in /css/newstyle.css, add the following code to your functions.php file:

function add_newstyle_stylesheet() {
    wp_register_style( 'newstyle', get_template_directory_uri() . '/css/newstyle.css' );
    wp_enqueue_style( 'newstyle' );
}
add_action( 'wp_enqueue_scripts', 'add_newstyle_stylesheet' );

WordPress already ships with jQuery. There is no need to include it in your theme.

#Javascript

Let's say your jquery.tabify.js file is located in /js/jquery.tabify.js in your theme. Include the following code in your functions.php file:

function jquery_tabify() {
    wp_enqueue_script(
        'jquery-tabify',
        get_template_directory_uri() . '/js/jquery.tabify.js',
        array( 'jquery' )
    );
}
add_action( 'wp_enqueue_scripts', 'jquery_tabify' );

This will include your script and jQuery. jQuery is marked as a dependency, so it's loaded first. 

If your file is instead hosted on a separate server, let's say as http://site.com/jquery.tabify.js, specify that as the path instead (omitting get_template_directory_uri()):

function jquery_tabify() {
    wp_enqueue_script(
        'jquery-tabify',
        'http://site.com/jquery.tabify.js',
        array( 'jquery' )
    );
}
add_action( 'wp_enqueue_scripts', 'jquery_tabify' );

#CSS

You register styles the same way. Assuming your file is located in /css/newstyle.css, add the following code to your functions.php file:

function add_newstyle_stylesheet() {
    wp_register_style(
        'newstyle',
        get_template_directory_uri() . '/css/newstyle.css'
    );
    wp_enqueue_style( 'newstyle' );
}
add_action( 'wp_enqueue_scripts', 'add_newstyle_stylesheet' );

WordPress already ships with jQuery. There is no need to include it in your theme.

#Javascript

Let's say your jquery.tabify.js file is located in /js/jquery.tabify.js in your theme. Include the following code in your functions.php file:

function jquery_tabify() {
    wp_enqueue_script(
        'jquery-tabify',
        get_template_directory_uri() . '/js/jquery.tabify.js',
        array( 'jquery' )
    );
}
add_action( 'wp_enqueue_scripts', 'jquery_tabify' );

This will include your script and jQuery. jQuery is marked as a dependency, so it's loaded first. If you have a file that hosted on other server, delete the 'get_template_directory_uri() . ' and put the URL instead the path, e.g. 'http://domain.com/sciprt.js'

#CSS

You register styles the same way. Assuming your file is located in /css/newstyle.css, add the following code to your functions.php file:

function add_newstyle_stylesheet() {
    wp_register_style( 'newstyle', get_template_directory_uri() . '/css/newstyle.css' );
    wp_enqueue_style( 'newstyle' );
}
add_action( 'wp_enqueue_scripts', 'add_newstyle_stylesheet' );

WordPress already ships with jQuery. There is no need to include it in your theme.

#Javascript

Let's say your jquery.tabify.js file is located in /js/jquery.tabify.js in your theme. Include the following code in your functions.php file:

function jquery_tabify() {
    wp_enqueue_script(
        'jquery-tabify',
        get_template_directory_uri() . '/js/jquery.tabify.js',
        array( 'jquery' )
    );
}
add_action( 'wp_enqueue_scripts', 'jquery_tabify' );

This will include your script and jQuery. jQuery is marked as a dependency, so it's loaded first. If you have a file that hosted on other server, delete the 'get_template_directory_uri() . ' and put the URL instead the path, e.g. 'http://example.com/script.js'.

#CSS

You register styles the same way. Assuming your file is located in /css/newstyle.css, add the following code to your functions.php file:

function add_newstyle_stylesheet() {
    wp_register_style( 'newstyle', get_template_directory_uri() . '/css/newstyle.css' );
    wp_enqueue_style( 'newstyle' );
}
add_action( 'wp_enqueue_scripts', 'add_newstyle_stylesheet' );

WordPress already ships with jQuery. There is no need to include it in your theme.

#Javascript

Let's say your jquery.tabify.js file is located in /js/jquery.tabify.js in your theme. Include the following code in your functions.php file:

function jquery_tabify() {
    wp_enqueue_script(
        'jquery-tabify',
        get_template_directory_uri() . '/js/jquery.tabify.js',
        array( 'jquery' )
    );
}
add_action( 'wp_enqueue_scripts', 'jquery_tabify' );

This will include your script and jQuery. jQuery is marked as a dependency, so it's loaded first.

#CSS

You register styles the same way. Assuming your file is located in /css/newstyle.css, add the following code to your functions.php file:

function add_newstyle_stylesheet() {
    wp_register_style( 'newstyle', get_template_directory_uri() . '/css/newstyle.css );
    wp_enqueue_style( 'newstyle' );
}
add_action( 'wp_enqueue_scripts', 'add_newstyle_stylesheet' );

WordPress already ships with jQuery. There is no need to include it in your theme.

#Javascript

Let's say your jquery.tabify.js file is located in /js/jquery.tabify.js in your theme. Include the following code in your functions.php file:

function jquery_tabify() {
    wp_enqueue_script(
        'jquery-tabify',
        get_template_directory_uri() . '/js/jquery.tabify.js',
        array( 'jquery' )
    );
}
add_action( 'wp_enqueue_scripts', 'jquery_tabify' );

This will include your script and jQuery. jQuery is marked as a dependency, so it's loaded first. If you have a file that hosted on other server, delete the 'get_template_directory_uri() . ' and put the URL instead the path, e.g. 'http://domain.com/sciprt.js'

#CSS

You register styles the same way. Assuming your file is located in /css/newstyle.css, add the following code to your functions.php file:

function add_newstyle_stylesheet() {
    wp_register_style( 'newstyle', get_template_directory_uri() . '/css/newstyle.css' );
    wp_enqueue_style( 'newstyle' );
}
add_action( 'wp_enqueue_scripts', 'add_newstyle_stylesheet' );