JS Bin

var var1 = 45;

var var2 = 78;

var str1 = "w3resource";

var str2 = ".com";

var newvar = var1 - var2;

var newstr = str1 - str2;

var varstr = var1 - str2;

​

var newParagraph = document.createElement("p");

var newText = document.createTextNode("var1 -var2 = "+ newvar);

newParagraph.appendChild(newText);

document.body.appendChild(newParagraph);

​

var newParagraph1 = document.createElement("p");

var newText1 = document.createTextNode("str1 - str2  = "+ newstr);

newParagraph1.appendChild(newText1);

document.body.appendChild(newParagraph1);

​

var newParagraph2 = document.createElement("p");

var newText2 = document.createTextNode("var1 - str2  = "+ varstr);

newParagraph2.appendChild(newText2);

document.body.appendChild(newParagraph2);