Javascript/ondblclick

sample1p

var sample1p = document.getElementById("sample1p");
sample1p.ondblclick = function(){
  sample1p.innerHTML = "ダブルクリック";
}
	

sample2p

var sample2p = document.getElementById("sample2p");
function sample2Single(){
  sample2p.innerHTML = "シングル";
}
function sample2Double(){
  sample2p.innerHTML = "ダブル";
}