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POUsing javascript prototype function to initialise variable in 'this' context
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  1. POUsing javascript prototype function to initialise variable in 'this' context
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    copied!<p>I'm finding it difficult to explain in words, so here's a snippet of code I'm trying out but Firefox/firebug goes into tailspin!</p> <p>I'm trying to follow <a href="http://www.rgraph.net/libraries/RGraph.bar.js" rel="nofollow">this</a> and <a href="https://sites.google.com/site/abhijitchanda/files/gauge.js" rel="nofollow">this</a> as a guide. What I'm trying to do here is </p> <ol> <li>new MyObject.Method('string',optionsArray);</li> <li><p>optionsArray items are iterated and saved using the prototype function Set()</p> <pre><code>if(typeof(MyObj) == 'undefined') MyObj= {}; MyObj.Method = function initialise(id,options) { this.id = id; this.options = options; this.properties ={}; for (var i = 0; i &lt; this.options.length; i++) // =&gt;options.length=2 (correct) { var obj = this.options[i]; //get the keynames, pass with values to Set() to update properties for (var keys in obj) { console.log(keys); //=&gt; correctly prints 'property1' and 'currentValue' this.Set(keys,obj); //=&gt; this is i guess where it enters a loop? } } } //sets properties MyObj.Method.prototype.Set = function (name, value) { this.properties[name.toLowerCase()] = value; } </code></pre> <p>and in my html page script block, i have </p> <pre><code>window.onload = function () { var options = [ { property1: { show: true, min: 0, max: 100 } }, { currentValue: { show: true, colour: 'black' } } ]; var myObj = new MyObj.Method('someDivId',options); } </code></pre></li> </ol> <p>please advise if I'm over complicating the code. I think checking for hasOwnProperty would help.</p>
 

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