Use string.format in javascript

August 30, 2011 Javascript Frax Snippet

This is a pretty neat snippet that attaches a format function to the string object. Works with infinit number of arguments: mystring.format('{0} and {1} and {2} and etc..', 'one', 'two', 'three');

<script type="text/javascript">
      
    String.prototype.format = function() {
      
        var formatted = this;
      
        for (i=0;i<arguments.length;i++) {
      
            formatted = formatted.replace("{" + i + "}", arguments[i]);
      
        }
      
        return formatted;
      
    };
      

      
    alert('{0} is {1}!'.format('this','awesome'));
      
</script>

Code provided by my college Axtelius.

Use string.format in javascript

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