Created
June 23, 2011 10:41
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text for JavaScript lesson class.
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| <html> | |
| <head> | |
| </head> | |
| <body> | |
| <form id="input"> | |
| <textarea id="list" rows="20" cols="30"></textarea> | |
| <input type="button" value="run" onclick="quoteNumbers()"> | |
| </form> | |
| <pre id="result"> | |
| </pre> | |
| </body> | |
| <script type="text/javascript"><!-- | |
| function quoteNumbers() { | |
| numbers = getList(); | |
| comma_nums = makeQueryParameter(numbers); | |
| showResult(comma_nums); | |
| } | |
| function getList() { | |
| return document.getElementById("list").value; | |
| } | |
| function showResult(result) { | |
| document.getElementById("result").innerHTML = result; | |
| } | |
| String.prototype.eachRows = function() { return this.split(/\s/); } | |
| function makeQueryParameter(list) { | |
| reject_empty_row = function(row) {return row != '';}; | |
| surround_by_quote = function(item) { return "'" + item.toString() + "'"; }; | |
| return list.eachRows().filter(reject_empty_row).map(surround_by_quote).join(",\n"); | |
| } | |
| // --></script> | |
| </html> |
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