Week 4 Section 3

by Ramya Ranganathan

HTML

<ul class="h">
    <li>Arrays</li>
    <li>String functions</li>
    <li>Conditionals</li>
    <li>Loops</li>
</ul>
<div id="output"></div>
<div id="output2"></div>

CSS

#output1, #output2 {
    border: 1px dotted black;
}
.hide, .h {
    display: none;
}

JavaScript

var output = document.getElementById('output1');
var output2 = document.getElementById('output2');
var str1 = "This is a string.";
var arr1 = ['all', 'sheep', 'don't', 'floss'];
 arr1.push("regularly");
 //output.innerHTML=str1.indexOf("string");
 output.innerHTML=str1.substr(10,5);  
 output2.innerHTML=str1.substring(10,5);
 output.innerHTML=str1.slice(-2,6);
 output.innerHTML=str1.replace(/\sis\s/,"isn't");          
            
            
 //arr1=[1,45,3,76,2,9];           
          
 //for(var i=0;i<5;i++){
 // output.innerHTML += arr1[i]+",";
//}
// for(var i in arr1){
//            output.innerHTML +=arr1[i]+" //| ";
//}
// arr1.forEach(function(item){ 
 //output.innerHTML += item;           
 //           });
//var sum=0;
//for(var index in arr1){
    //var current=arr1[index];
    //modulous
    //if(current % 2 ==0){//if this is even
       // sum += current;
    //sum =sum +arr1[index];
//}
//output.innerHTML=sum;
//var arr2=str1.split(" ");
//var str2=arr2.join("--");  
 
//output.innerHTML = str2;
//output2.innerHTML = arr1;
 //  var num1=parseInt('45');
   // console.log(num1);
  //  console.log(typeof num1);
if(output.innerHTML == ''){
    output.className="hide";
 }
if(output2.innerHTML== ''){
            output2.className="hide";
  }