Check and perform an action on arrow keys press a html object

Check and perform an action on arrow keys press a html object

Check and perform an action on arrow keys press a html object in javascript

function checkArrows (evt) {
try{
var keyCode =
document.layers ? evt.which :
document.all ? event.keyCode :
document.getElementById ? evt.keyCode : 0;
var searcText = objAutoSuggest.value;

//alert (keyCode);
if (keyCode == 39){


}else if (keyCode == 38){ //'arrow up';


}else if (keyCode == 37){ //'arrow left';

}

return true;
}catch (e){}
}