function KeyEvent(e){
pressKey = event.keyCode;
//enter key
if(pressKey == 13) {
var element = document.activeElement;
if (element.tagName.toLowerCase() == "input") {
if (element.type.toLowerCase() != "button" && element.type.toLowerCase() != "submit" && element.type.toLowerCase() != "reset") {
return false;
}
} else if (element.tagName.toLowerCase() == "select") {
return false;
}
}
//F5
if (event.keyCode == 116 ) {
event.keyCode=0;
return false;
}
//Backspace
if( pressKey == 8){
var element = document.activeElement;
if(element.tagName.toLowerCase() == "input"){
if ( element.type.toLowerCase() != "text") {
event.keyCode=0;
return false;
}
}else if(element.tagName.toLowerCase() != "textarea"){
event.keyCode=0;
return false;
}
}
}
全站熱搜
留言列表
