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I have used bootstrap 4 framework in my website. Using this framework I have created a simple html form using bootstrap class with javascript function.

The form works good while i enter integer as input, But it shows some error while i enter float vales.

Here is the web-page.

<form role="form" name="BeamFactor">    
    <div class="form-group">            
        <label>Antenna dimension (D) :</label>
        <input class="form-control input-lg" name="n1" required="" type="number"> 
    </div>      
    <div class="form-group">        
        <label>Wavelength (λ) :</label><input class="form-control input-lg" name="n2" type="number"> 
    </div>      

    <div class="form-group">        
        <label>Beamwidth :</label><input class="form-control input-lg" name="n3" type="number"> 
    </div> 

    <div class="form-group">            
        <input value="Calculate" class="btn btn-success btn-lg" onclick="javascript:calcBeamFactor();" type="button">   
        <button type="reset" class="btn btn-warning btn-lg">Reset</button> 
    </div>      

    <div class="form-group">        
        <label>BF :</label><input class="form-control input-lg" name="total"> 
    </div>
</form>

I have used bootstrap 4 framework in my website. Using this framework I have created a simple html form using bootstrap class with javascript function.

The form works good while i enter integer as input, But it shows some error while i enter float vales.

Here is the web-page.

<form role="form" name="BeamFactor">    
    <div class="form-group">            
        <label>Antenna dimension (D) :</label>
        <input class="form-control input-lg" name="n1" required="" type="number"> 
    </div>      
    <div class="form-group">        
        <label>Wavelength (λ) :</label><input class="form-control input-lg" name="n2" type="number"> 
    </div>      

    <div class="form-group">        
        <label>Beamwidth :</label><input class="form-control input-lg" name="n3" type="number"> 
    </div> 

    <div class="form-group">            
        <input value="Calculate" class="btn btn-success btn-lg" onclick="javascript:calcBeamFactor();" type="button">   
        <button type="reset" class="btn btn-warning btn-lg">Reset</button> 
    </div>      

    <div class="form-group">        
        <label>BF :</label><input class="form-control input-lg" name="total"> 
    </div>
</form>
Share Improve this question edited Jul 5, 2019 at 15:24 Sandy DK asked Sep 29, 2017 at 14:29 Sandy DKSandy DK 831 silver badge6 bronze badges
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1 Answer 1

Reset to default 9

Add step property to your input type.

<input type="number" step="any" />

本文标签: javascriptBootstrap Form Input Float Value IssueStack Overflow