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//xml parsing example

var xp = new DOMParser();

var test = "<program>" +
     "<print>" +
      "<str>Hello World!</str>" +
      "<int>6</int>"+
      "</print>" + "<print>4</print>" +
  "</program>";
  
var xenon = xp.parseFromString(test, "application/xml");

console.log(xenon.childNodes[0].tagName);
console.log(xenon.childNodes[0].childNodes[0].tagName);
console.log(xenon.childNodes[0].childNodes[0].childNodes[1].tagName);
/*program
print
int*/