Generate Barcode Using Javascript

Kailash Singh

Generate Barcode Using Javascript

Published Jan 10,2023 by Kailash Singh

0 Comment     1117 Views    


In this post, we are going to teach you, how to Generate Barcode Using Javascript.

Now we are going to use JsBarCode Library to generate the barcode

 

Step 1: Insert CDN link of Js Bar Code library.

<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/JsBarcode.all.min.js"></script>

 

Step 2: Create Input field and button to generate the barcode.

<label>Enter Text: </label>
<input type="text" class="form-control" id="barcodetext" placeholder="Type Here..."><br>
<button class="btn btn-info" type="button" onclick="generateNow();" id="generate-now">Generate</button>

Now you can see that we have created an on Click function in generate button. With the help of this function, we will generate the barcode.

 

Step 3: Write JavaScript code to generate the barcode.

<script type="text/javascript">
  function generateNow() {
     var text = document.getElementById("barcodetext").value;
     if(!text){
        alert('Please Enter Text');
     }else{ 
        JsBarcode("#barcode", text, {
          width: 3
        });
     }
  }
</script>

 

Step 4: In this step, we are showing the barcode with the help ID. You can see, in the third step, we have passed the ID (#barcode) to show the result of barcode.

<svg id="barcode"></svg>

 


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