下面的代码附加了点击事件处理程序,但不适用于键盘事件。我不想要document.keypress,而是想要键盘事件的特定类元素。所以我测试了#39;写出来适用于鼠标点击很好,但不适用于任何键盘事件。
function test(className, fnCall, eventToApply){
if(typeof document.getElementById('x').getElementsByClassName(className) !='undefined') {
var els = document.getElementById('x').getElementsByClassName(className);
for(var i = 0; i < els.length; i++) {
if(els[i].addEventListener) { //Undefined for keypress events
els[i].addEventListener(eventName, function(e) { fnCall(e); }); }
else { //Hardcode for testing
els[i].onclick = function(e) { fnCall(e); };
els[i].onkeypress = function(e) { fnCall(e); } //doesn't work!
}
}
文档onkeypress虽然有效,但我无法在文档就绪或按键本身上设置单独的元素处理程序。
document.addEventListener('keypress', function(event){
//This works, but setting up events for each class type element doesn't work for keypress
})
换句话说,是否有相当于下面的内容,而不使用JQuery:
document.addEventListener('keypress', function(event){
//This works in Jquery
$('.customClass-'+ event.keycode).click();
});
document.addEventListener('keypress', function(event){
//This doesn't register, says undefined for any event or attachEvenHandler/attachEvent
test('.class'+event.keycode, myFunction() , 'keypress');
});
答案 0 :(得分:0)
您可以使用此
document.addEventListener('keypress', function(event){
var elements = document.getElementsByClassName("customClass-" + event.keycode);
for (var i = 0; i < elements.length; i++) {
elements[i].click();
}
});
w3school文件