parseInt() Function, JavaScript

You can use the parseInt(), Function from JavaScript to  parse a string / variable or other value and get in return an integer. In the example below, you will see a practical application of this built in Function. Syntax: parseInt("String" or VariableName) See the example below. Show / Hide Script Show / Hide Demo <script type='text/javascript'> var b='34.54354' var t='11 at this table.' document.write('This example uses parseInt() Function and returns' + '<hr>' +parseInt(b) +'<hr>') document.write('This example does not and returns' + '<hr>' + b +'<hr>') document.write('This example uses parseInt() Function and returns' + '<hr>' +parseInt(t) +'<hr>') document.write('This example uses parseInt() Function and returns' + '<hr>' +t) </script>