<if>,
<else>, & <elseif>
are the three elements utilized for conditional
statements in VoiceXML. Each element should
utilize a cond attribute specifying an
ECMAScript boolean condition. Examples
of the usage of each tag are shown below.
Example
1.
<if
cond="total > 1000">
<prompt> This is too much to spend.</prompt>
</if>
Example
2.
<if
cond="amount < 29.95">
<goto
next="#debit"/>
<else
/>
<prompt>You are out of cash. </prompt>
</if>
Example
3.
<if
cond="flavor == 'vanilla'">
<prompt>
You ordered vanilla. </prompt>
<elseif
cond="flavor == 'chocolate'" />
<prompt>
You ordered chocolate. </prompt>
<else
/>
<prompt>
You didn't order vanilla or chocolate.
</prompt>
