$

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(Added description of syntax and linked back to Command Line API)
($ is not a shortcut for getElementById anymore (description changed))
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This command returns a single HTML or XML element with the given id. This means it is actually a shortcut for <code>[https://developer.mozilla.org/en/DOM/document.getElementById document.getElementById()]</code>.
+
This command returns a single HTML or XML element with the given id. This means it is actually a shortcut for <code>[https://developer.mozilla.org/en/DOM/document.querySelector document.querySelector()]</code>.
If the JavaScript on the page already defines <code>$</code> for something else (like e.g. jQuery does), it will not be overwritten by this command.
If the JavaScript on the page already defines <code>$</code> for something else (like e.g. jQuery does), it will not be overwritten by this command.
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== Syntax ==
== Syntax ==
<source lang="javascript">
<source lang="javascript">
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$(id)
+
$(selector)
</source>
</source>
== Parameters ==
== Parameters ==
-
=== id ===
+
=== selector ===
-
Id of the element to return. '''(required)'''
+
Selector used to match the element to return. This follows the syntax of <code>document.querySelector()</code>. '''(required)'''
== Examples ==
== Examples ==
<source lang="javascript">
<source lang="javascript">
-
$("element")
+
$("#element")
</source>
</source>
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== See also ==
== See also ==
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[[Command Line API]]
+
* [[Command Line API]]

Revision as of 19:07, 25 January 2013

This command returns a single HTML or XML element with the given id. This means it is actually a shortcut for document.querySelector().

If the JavaScript on the page already defines $ for something else (like e.g. jQuery does), it will not be overwritten by this command.

Contents

Syntax

$(selector)

Parameters

selector

Selector used to match the element to return. This follows the syntax of document.querySelector(). (required)

Examples

$("#element")

This returns the element with the id element.

See also

Personal tools