Flow Control Elements
Flow Control elements are used to conditionally execute certain actions or repeat actions several times, based on values in an array.
<foreach>
Encapsulates a block of XML elements that are executed multiple times based on the number of items within the JavaScript array that is specified in the array attribute.
Attributes
|
Name |
Type |
Description |
Default |
Values |
|---|---|---|---|---|
|
array |
string (required) |
Specifies a JavaScript array. The elements contained within the <foreach> element are executed a number of times, based on the content of the variable. |
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|
index |
string (required) |
Specifies the name of a JavaScript variable which contains the index value as the execution loops through the specified array. The index value can be used as a JavaScript variable within the XML content that is encapsulated by the <foreach> element. |
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<if>
Encapsulates a block of XML elements that are executed only if the cond attribute evaluates to the value true.
Attributes
|
Name |
Type |
Description |
Default |
Values |
|---|---|---|---|---|
|
cond |
string (required) |
Specifies a JavaScript expression. If the value evaluates to a "falsy" condition (i.e. 0, "", false, undefined, null, NaN), then the elements that are contained within the <if> tag are not displayed or executed. |
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