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<div id="output"></div>
 
<a href="http://jobcgoo.info/001/">SHARPER IMAGE イオニックブリーズ MIDI</a>
 
var output = document.getElementById("output");
var obj = {id:"abc", name:"koba"};
var array = ["abc", "koba"]
var str = "";
var c = array.splice(0,1);
str += c+"<br/>";
array.splice(1, 0, c[0]);
str += array+"<br/>";
str += "*******Objectの走査1 *******<br/>";
for(var key in obj){
  str += key+": "+obj[key]+"<br/>";
}
str += "<br/>*******Arrayの走査1 *******<br/>";
for (var i =0; i < array.length; i++){
  var value = array[i];
  str += i+":"+value+"<br/>";
}
str += "<br/>*******Arrayの走査2 *******<br/>";
array.forEach(function(v,i){
  str += i+":"+v+"<br/>";
});
str += "*******<br/>";
output.innerHTML = str;
Output

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