Javascript/createTextNode

function sample1Func(text) {
  var text = document.createTextNode(text);
  var sample1p = document.getElementById("sample1p");
  sample1p.appendChild(text);
}

var sample2Btn = document.getElementById("sample2Btn");
sample2Btn.onclick = function sample2Func(){
  var sample2Txt = document.createTextNode("sample2");
  var sample2p = document.getElementById("sample2p");
  sample2p.appendChild(sample2Txt);
}
	

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function sample3Func(){
  var sample3Text = document.createTextNode("");
  sample3Text.nodeValue = "node更新";
  var sample3p = document.getElementById("sample3p");
  sample3p.appendChild(sample3Text);
}
	

function s4Func(s4Str){
  var s4Div = document.getElementById("s4Div");
  s4Text = document.createTextNode(s4Str);
  s4Div.innerText = s4Str;
}