Small micro-channel program gets formid

The following is a small micro-channel program source. 
wxml: 
        <form Report-Submit = 'to true' bindsubmit = "formSubmit"> 

            <INPUT bindblur = "inputValue" value = '{{FormID}}'> </ INPUT> 
            <Button form-type = 'Submit' type = ' primary '> Get formId </ Button> 

        </ form> 

JS: 
Data: {         
        FormID:' ' 
    }, 
    formSubmit: function (Y) { 
        this.setData ({ 
            FormID: y.detail.formId 
        }); 
    } 

// OF : 52 Hz _Alice 
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