window.event.keyCode¼æÈÝIEºÍFirefoxʵÏÖjs´úÂë

HTML´úÂë

¸´ÖÆ´úÂë ´úÂëÈçÏÂ:

<input type="text" onkeydown="keyNumAll(event);" >

Javascript ´úÂë

¸´ÖÆ´úÂë ´úÂëÈçÏÂ:

function keyNumAll(evt){
//¼æÈÝIEºÍFirefox»ñµÃkeyBoardEvent¶ÔÏó
evt = (evt) ? evt : ((window.event) ? window.event : "");
var key = evt.keyCode?evt.keyCode:evt.which;//¼æÈÝIEºÍFirefox»ñµÃkeyBoardEvent¶ÔÏóµÄ¼üÖµ
console.info(key);//ÏÔʾ°´¼ü¼üÖµ
}
}