SP.ScriptUtility Class
Applies to: SharePoint Foundation 2010
Provides methods and an emptyString field for working with ECMA scripts.
SP.ScriptUtility
Example
The following example creates an input button on an application page that displays information about specified strings.
<asp:Content ID="Main" ContentPlaceHolderID="PlaceHolderMain" runat="server">
<script type="text/ecmascript" language="ecmascript">
function runCode() {
var emptyString = SP.ScriptUtility.emptyString;
var notEmptyString = "hello";
var dbl = 3.1415;
var undefinedObject;
if(SP.ScriptUtility.isNullOrEmptyString(emptyString)){
alert('string is empty');
}
if(!SP.ScriptUtility.isNullOrEmptyString(notEmptyString)){
alert('string is not empty');
}
alert(SP.ScriptUtility.truncateToInt(dbl));
if (SP.ScriptUtility.isNullOrUndefined(undefinedObject)) {
alert('object is undefined');
}
else {
alert('object is defined');
}
}
</script>
<input id="Button1" type="button" value="Run Code" onclick="runCode()" />
</asp:Content>