Comments on: Avoid Javascript’s ‘with’ keyword http://www.barryvan.com.au/2009/05/avoid-javascripts-with-keyword/ Music, Programming, Design Fri, 11 Jun 2010 21:08:58 +0000 hourly 1 http://wordpress.org/?v=3.0 By: Barry van Oudtshoorn http://www.barryvan.com.au/2009/05/avoid-javascripts-with-keyword/comment-page-1/#comment-899 Barry van Oudtshoorn Wed, 26 Aug 2009 09:38:43 +0000 http://www.barryvan.com.au/?p=162#comment-899 Yes, you're right that <em>with</em> can be very useful -- but to my mind, the danger of not knowing exactly what you're changing outweighs the potential benefit. Personally, I would use the MooTools method of setting lots of properties... <code>var oMyElement = new Element('div', { id: 'Fred', styles: { width: '100px', height: '100px', display: 'inline' } });</code> ...which means that I can get away without using <em>with</em>. :) Yes, you’re right that with can be very useful — but to my mind, the danger of not knowing exactly what you’re changing outweighs the potential benefit. Personally, I would use the MooTools method of setting lots of properties…

var oMyElement = new Element('div', {
id: 'Fred',
styles: {
width: '100px',
height: '100px',
display: 'inline'
}
});

…which means that I can get away without using with. :)

]]> By: Martin http://www.barryvan.com.au/2009/05/avoid-javascripts-with-keyword/comment-page-1/#comment-898 Martin Wed, 26 Aug 2009 08:41:19 +0000 http://www.barryvan.com.au/?p=162#comment-898 Think you might not have grasped the main benefit of with ... it's for setting lots of properties, e.g. <code>var oMyElement = document.createElement( 'DIV' ); with ( oMyElement ) { id = 'Fred'; with ( style ) { width = '100px'; height = '100px'; display = 'inline'; } }</code> Think you might not have grasped the main benefit of with … it’s for setting lots of properties, e.g.

var oMyElement = document.createElement( 'DIV' );
with ( oMyElement )
{
id = 'Fred';
with ( style )
{
width = '100px';
height = '100px';
display = 'inline';
}
}

]]> By: Barry van Oudtshoorn http://www.barryvan.com.au/2009/05/avoid-javascripts-with-keyword/comment-page-1/#comment-880 Barry van Oudtshoorn Tue, 21 Jul 2009 10:19:17 +0000 http://www.barryvan.com.au/?p=162#comment-880 I actually use MooTools by preference — it provides many of the same benefits as jQuery, and the syntax is similar. I actually use MooTools by preference — it provides many of the same benefits as jQuery, and the syntax is similar.

]]> By: Louigi Verona http://www.barryvan.com.au/2009/05/avoid-javascripts-with-keyword/comment-page-1/#comment-875 Louigi Verona Tue, 21 Jul 2009 09:38:48 +0000 http://www.barryvan.com.au/?p=162#comment-875 Are you using jQuery? I found it to be very fast and much easier syntax than JavaScript. Are you using jQuery? I found it to be very fast and much easier syntax than JavaScript.

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