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onkeypress character keys are compatible with all browsers usage introduction_javascript skills

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WBOYOriginal
2016-05-16 17:35:201323browse
Copy code The code is as follows:

document.onkeypress = function( e ){
alert( getCharCode ( e ) );
};
function getCharCode( e ){
var e = e || window.event;
if( typeof e.charCode == "number" ){
return e.charCode;
}else{
return e.keyCode;
};
};
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