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POjavascript innerhtml return value
 

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    <p>I am having trouble to understand this. I have this bit code:</p> <pre><code>document.getElementById("widget-container-1").innerHTML="&lt;div class='title'&gt;Select town: "+ "&lt;select id='drop'&gt;"+ "&lt;option name='Auckland' value='Auckland'&gt;Auckland&lt;/option&gt;"+ "&lt;option name='Christchurch' value='Christchurch'&gt;Christchurch&lt;/option&gt;"+ "&lt;option name='Dunedin' value='Dunedin'&gt;Dunedin&lt;/option&gt;"+ "&lt;option&gt;Hamilton&lt;/option&gt;"+ "&lt;option&gt;Tauranga&lt;/option&gt;"+ "&lt;option&gt;Wellington&lt;/option&gt;"+ "&lt;/select&gt;&lt;br /&gt;"+ "&lt;button id='update' name='update' onClick=\"this, _refreshWeatherDisplay(test);'\"&gt;update&lt;/button&gt;&lt;/div&gt;"+ "&lt;div class='monitor'&gt;Sort by"+ "&lt;input id='radio' name='input' type='radio' value='0' &gt;town"+ "&lt;input id='radio' name='input' type='radio' value='1' &gt;max temp"+ "&lt;div class='section'&gt;test&lt;/div&gt;&lt;/div&gt;"; select = document.getElementById("drop"); select.onchange = function(){ _checkNewTown(this.options[this.selectedIndex].text); }; </code></pre> <p>I want to get the data and perform another function:</p> <pre><code>var _checkNewTown = function(ntown){ alert(this.selectedIndex); } </code></pre> <p>But, in the -checkNewTown function is keep return indefined. And the button is not working when I try to alert it. </p> <pre><code>var _refreshWeatherDisplay = function(weather_info){ alert("test"); } </code></pre> <p>I know is could be simple, but I have no clue what I am doing wrong If anyone could help me will be very appreciatted.</p>
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    1. USKleberBH
    1. USKleberBH
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    1. COEither I don't get it, or you can just call another function with: `callFunction(data);`
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      1. USDaniel
    2. COWhat is the problem? Did you try putting `_checkNewTown(this.options[this.selectedIndex].text);` in the onchange function?
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      1. UStcovo
    3. CONote that with select elements, the change event on varies between browsers. E.g. the control may need to lose focus in some browsers but not others before a change event is dispatched. If navigating by cursor keys, IE will dispatch a change event each time the cursor key is pressed to highlight a new option.
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      1. USRobG
 

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