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disabling keyboard editing via keydown.preventDefault()
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| <html> | |
| <head><title>disabling keyboard editing via keydown.preventDefault()</title></head> | |
| <body> | |
| <h2>disabling keyboard editing via keydown.preventDefault()</h2> | |
| <textarea id=txt></textarea> | |
| <script> | |
| window.onload = function() { | |
| var txt = document.getElementById('txt'); | |
| function handleCancelEvent(e) { | |
| if (e.preventDefault) e.preventDefault(); | |
| if (e.stopPropagation) e.stopPropagation(); | |
| if (txt.value && txt.value != ',') { | |
| if (txt.value != ';') | |
| document.title = '['+txt.value+'] ' + (txt.value||'').length; | |
| txt.value = ','; | |
| } | |
| else { | |
| txt.value = ';'; | |
| } | |
| txt.selectionStart = txt.selectionEnd = 0; | |
| txt.selectionStart = 1; | |
| return false; | |
| } | |
| txt.onkeydown = txt.onkeyup = txt.onkeypress = handleCancelEvent; | |
| if (txt.addEventListener) txt.addEventListener('compositionstart', handleCancelEvent, true); | |
| if (txt.addEventListener) txt.addEventListener('compositionupdate', handleCancelEvent, true); | |
| txt.focus(); | |
| }; | |
| </script> | |
| </body> | |
| </html> |
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