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POKnowing what button is pressed in Javascript
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  1. POKnowing what button is pressed in Javascript
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    copied!<p>I was wondering if there was a way I could ask if a certain button was pushed so that it would do a certain thing in the function. I know I could split this up into two separate functions, but I want to know how to do this this way. </p> <p>I'll put my code below. </p> <pre><code>function displaySort(form) { var list = form.values.value.replace(/\s+/g, '') list = list.split(/,/) if (document.getElementById("fSort").form.input.id) { list.sort() var listAsString = list.join(", ") form.sortedDisplay.value = listAsString } else if (document.getElementById("rSort").form.input.id) { list.sort(reverseCompare) var listAsString = list.join(", ") form.reverseSortedDisplay.value = listAsString } window.alert("Messed Up"); } function reverseCompare(s1, s2) { if (s1 &lt; s2) { return +1 } else if ( s1 == s2 ){ return 0 } else { return -1 } } </code></pre> <p>the form:</p> <pre><code>&lt;form&gt; &lt;table&gt; &lt;tr&gt; &lt;td&gt; &lt;input type="text" name="values" value=" Bob, Ted, Carol, Bette, Alice, Peter " onclick="if (this.value == this.defaultValue) this.value=''" size="80" /&gt; &lt;input type="button" onclick="displaySort(this.form)" value="Sort" id="fSort" /&gt; &lt;input type="button" onclick="displaySort(this.form)" value="Reverse Sort" id="rSort" /&gt; &lt;input type="reset" value="Reset Form" /&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt; &lt;input type="text" name="sortedDisplay" value="Sorted list will show here" size="35" readonly style="font-size:24pt;font-weight:normal;" /&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt; &lt;input type="text" name="reverseSortedDisplay" value="Reverse sorted list will show here" size="35" readonly style="font-size:24pt;font-weight:normal;" /&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/form&gt; </code></pre>
 

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