JavaScript is becoming more and more popular as a language for SharePoint solutions. Time to get familiar with the built-in JavaScript repository. I have seen quite of different ways to retrieve querystring parameter values in JavaScript, but SharePoint features it’s own function ‘_spGetQueryParam(p)’.
Continue reading Reading SharePoint querystring values in JavaScript
The JavaScript class library for SharePoint 2010 enables developers to create rich SharePoint applications using pure JavaScript. If combined with the jQuery library, the power of JavaScript solutions is limitless,….. or isn’t it.
The Same Origin Policy prevents access to resources on other domains. Put simply; you cannot call a webservice from JavaScript that is hosted on another domain. There is however one exception to this claim; browsers allow the <script>-tag to call JavaScript files that are hosted on another domain. The technique JSONP exploits this opportunity.
I build a lot of SharePoint Solutions that use JavaScript to enhance user experience. Most of the JavaScript I put in dedicated .js files and deploy them to the 12-hive (or 14-hive) in the layouts-folder. Deploying a JavaScript file (*.js) layouts-folder of SharePoint and loading external JavaScript files (*.js) in SharePoint 2007 can be accomplished in a couple of ways.
Continue reading Load an external JavaScript file on demand using a Custom Action in SharePoint 2007
