一些过期的整理前端代码

  var MyText = {
    one : "1",
    two : "2",
    three : "3"
  };
  for(var prop in MyText){
    document.writeln(prop + "<br />");
  }
  //var myName = "javk";
  //alert(myName.strike());
  //var name = new String("momo");
  //alert(name.valueOf());

  //var boolFlag = new Boolean("");
  //alert(boolFlag.toString());

  //var value1 = -1 * Number.MAX_VALUE*2;
  //alert(value1);

  //var num = new Number(36.88888);
  //alert(num.toExponential(2));
  //alert(num.toPrecision(4));
  //alert(num.toFixed(3));

  /*var str = new String("hello world");
  document.writeln(str.strike() + "<br />");
  document.writeln(str.big() + "<br />");
  document.writeln(str.small() + "<br />");
  document.writeln(str.bold() + "<br />");
  //document.writeln(str.blink() + "<br />");
  //document.writeln(str.italice() + "<br />");
  document.writeln(str.link('www.baidu.com') + "<br />");
  document.writeln(str.sup() + "<br />");

  var str = new String("firstName = li ,lastName =    ming,state = shandong,statement =' test split'");
  var arrayTokens = str.split(',',3);
  for(var token in arrayTokens){
    document.writeln(arrayTokens[token] + "<br />");

    var newToken = arrayTokens[token].split('=');
    document.writeln(newToken[1].toUpperCase()+"<br />");



  }*/

  /*var date = new Date();
  document.writeln(date.getFullYear());
  document.writeln(date.getDay());
  document.writeln(date.getDate());
*/
  /*var value = -3.14;
  document.writeln(Math.ceil(value) + "<br />");
  document.writeln(Math.floor(value) + "<br />");
  document.writeln(Math.exp(4) + "<br />");
  document.writeln(Math.pow(3,2) + "<br />");

for (var i=0;i<10;i++){
  //document.writeln(Math.random().toPrecision(2) + "<br />")
  document.writeln(Math.ceil(Math.random() * 10) + "<br />");
}*/

/*
  var newArray = new Array();
  for( var i=0;i<10;i++){
    newArray[i] = i+1;
  }
  var newArray2 = newArray.slice(0,5);
  document.writeln(newArray2 + "<br />");
  document.writeln(newArray + "<br />");
  var newArray3 = newArray.concat(newArray2);
  document.writeln(newArray3 + "<br />")
  newArray3.reverse();
  document.writeln(newArray3 + "<br />")
  var str = newArray3.join("----");
  document.writeln(str);*/
  // newArray.splice(0,2,'11','12');
  // for (var num in newArray){
  //   document.writeln(num + "<br />");
  // }


 /*
  var str = new String("cats,dogs,birds,horses");
  array = str.split(',',4);
  document.writeln(array[2] + "<br />");
  //array.join("--");
  // for (var anm in array){
  //   document.writeln(array[anm] + "<br />");
  // }
  // document.writeln(array + "<br />");
   var date = new Date();
   document.writeln(date + "<br />");
   var hour = date.getHours();
   hour += 168;
   date.setHours(hour);
   document.writeln(date.toString() + "<br />");

   var num = 34.44;
   document.writeln(Math.ceil(num) + "<br />");
   document.writeln(Math.floor(num) + "<br />")

*/

  // var func = prompt("Enter function body: ");
  // var x = prompt("Enter value of x: ");
  // var y = prompt("Enter value of y: ");
  //
  // var op = new Function("x","y",func);
  // var theAnswer = op(x,y);
  //
  // alert("Function is :  "+func);
  // alert("x is :" + x +"y is "+y);
//  document.writeln(jiecheng(3)+"<br />");
  // var val = new Function("x","y",func);
  // func(x,y){
  //   return x + y;
  // }
  // document.writeln(val(1,2) +"<br  />");
  //var msg = "hello world....0";
  //console.log("%s",msg);
  //var headerElement = document.getElementById("pageHeader");
  //headerElement.style.textShadow = "#ff0000 2px 2px 2px 3px";
   //alert("hello ");
}
 function mouseDown(nsEvent){
   var theEvent = nsEvent ? nsEvent : window.event;
   var locStrinng = "X:  "+theEvent.screenX + "Y:   "+theEvent.screenY;
  // document.writeln(locStrinng + "<br />");
   alert(locStrinng);
  console.log(locStrinng);
 }


 function show_coords(event)
  {
    alert("haha");
    x=event.screenX;
    y=event.screenY;
    document.writeln(x+ "     "+ y)
    alert("X coords: " + x + ", Y coords: " + y)
  }

  function isShiftkeyDown(event){
    if(event.keyCode == 'A'){
      alert("ok");
    }else {
      alert("not ok ");
    }

  }


  function setObjects(){
    document.getElementById("people").firstName.focus();
  }
  function bubbleUp(event){
    alert("Bubbling:  "+this);
  }
  function setUp(event){
    document.addEventListener("click",bubbleUp,false);
    //document.getElementById("people").addEventListener("click",bubbleUp,false);
    document.forms[0].addEventListener("click",bubbleUp,false);
  }
  function strReverse(str){
    var length = str.length();
    for(var i=length-1;i>=0;i--){
      document.writeln(str.charAt(i));
    }
  }

<!-- <input type="button" id = "but" value="按钮" /> -->
<!-- <form id = "people" action="">
<p>
<input type="submit" value="Submit" /><br />
FirstName : <input type="text" name="firstName" /><br /><br />
LastName : <input type="text" name="secondName" /><br />
</p>
</form> -->