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It's very usefull to have logging statement in your code .
console.log(); statement is very handy to log information in javascript .
sample code
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script>
$(document).ready(function() {
console.log('current value is prashant gupta');
console.info('this is information')
console.warn('this is warning')
console.error('this is error.')
console.debug('this is debug.')
})
</script>
what you need to do is
1. just include the jquery file in your code
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
2. and now you can use
console.log("");
for loggin.
How to see the logged statement:
to check javascript logs , I uses Firebug extension in Mozilla.
just see below image how it is easy to see your logs in firebug.......
Most of these utilities shrink the JavaScript via minification. The exception to this is Packer, which generates a self extracting package. Where minified JavaScript can be cached, the Packer compressed script has runtime overheads as it must first unpack itself each time it is used.
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