angular.directive.ng:eval
Description
The ng:eval
allows you to execute a binding which has side effects
without displaying the result to the user.
Usage
<ANY ng:eval="expression">
...
</ANY>
Parameters
expression – {expression} –
to eval.
Example
<input name="obj.a" value="6" >
* <input name="obj.b" value="2">
= {{obj.multiplied = obj.a * obj.b}} <br>
<span ng:eval="obj.divide = obj.a / obj.b"></span>
<span ng:eval="obj.updateCount = 1 + (obj.updateCount||0)"></span>
<tt>obj.divide = {{obj.divide}}</tt><br/>
<tt>obj.updateCount = {{obj.updateCount}}</tt>
it('should check eval', function(){
expect(binding('obj.divide')).toBe('3');
expect(binding('obj.updateCount')).toBe('2');
input('obj.a').enter('12');
expect(binding('obj.divide')).toBe('6');
expect(binding('obj.updateCount')).toBe('3');
});