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getElement / hasElement #12

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32 changes: 32 additions & 0 deletions lib/nodepie.js
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Original file line number Diff line number Diff line change
Expand Up @@ -641,6 +641,38 @@ NodePie.Item.prototype._parseAuthor = function(author){

/************* ITEM LEVEL PUBLIC METHODS *************/

/**
* NodePie.Item#getElement(elementName (String)) -> element | null
*
* Fetches the element <elementName> from this object
*
* Usage:
*
* var item = np.getItem(0);
* var thumb = item.getElement('media:thumbnail');
* (preview = new Image()).src = thumb.url;
**/
NodePie.Item.prototype.getElement = function(elementName) {
return ( !this.element[elementName] ? null : this.element[elementName] );
};

/**
* NodePie.Item#hasElement(elementName (String)) -> true | false
*
* Returns true if this object contains an element with name <elementName>
*
* Usage:
*
* var item = np.getItem(0);
* if (item.hasElement('media:thumbnail')) {
* (preview = new Image()).src = thumb.url;
* }
*
**/
NodePie.Item.prototype.hasElement = function(elementName) {
return ( this.element[elementName] == null ? false : this.element[elementName] );
};

/**
* NodePie.Item#getLink([rel="alternate"[, type="text/html"]]) -> String | False
* - rel (String): link rel
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