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This is how jQuery is included in d7

(function ($) {
  // jquey codes here  
})(jQuery);

How i can include javascript code (not jquery) in d7?

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3 Answers

up vote 4 down vote accepted

If you want to write a plain JavaScript instead of JQuery, You can proceed with normal function declaration like

function sample() {
}

and go ahead. It is normal way of the doing things in javascript, More over jQuery is a framework of javascript and as said you can add js files in the traditional way

drupal_add_js()
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It's worth noting that Drupal uses behaviors for attaching (and removing) JS - see Chapabu's answer for an example and further reading. – Andy Sep 11 '12 at 11:34
up vote 3 down vote

jQuery is just a JavaScript library, so you can include plain JS inside the jQuery wrapper and it'll work fine. All the wrapper does is allow you to use the $ sign for jQuery instead of having to write jQuery('.xyz').

See the following example - standard JS inside a Drupal behaviour.

(function ($) {

  Drupal.behaviors.exampleModule = {
    attach: function (context, settings) {
      var ip = '<!--#echo var="REMOTE_ADDR"-->';
      alert("Your IP address is" + ip);
    }
  };

})(jQuery);

The Managing JavaScript in Drupal handbook page has LOADS of useful information about JavaScript in Drupal, it's definitely worth a read.

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up vote 2 down vote

This is how jQuery is included so you can use the $ symbol. But you can write any piece of js code in that file without this part:

(function ($) {
  // jquey codes here  
})(jQuery);

But to include files, you can simply use drupal_add_js() in code, scripts[] = script.js in your_module.info or use $form['#attached']['js'][] = 'script.js' in a form array.

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