console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Div Position Calculation</title>
<style>
#div1 {
width: 100px;
height: 100px;
background-color: red;
position: absolute;
top: 50px;
left: 50px;
}
#div2 {
width: 100px;
height: 100px;
background-color: blue;
position: absolute;
top: 150px;
left: 150px;
}
</style>
</head>
<body>
<div id="div1"></div>
<div id="div2"></div>
<script>
function calculatePosition(el1, el2) {
var rect1 = el1.getBoundingClientRect();
var rect2 = el2.getBoundingClientRect();
var relativeX = rect2.left - rect1.left;
var relativeY = rect2.top - rect1.top;
return {x: relativeX, y: relativeY};
}
window.onload = function() {
var div1 = document.getElementById('div1');
var div2 = document.getElementById('div2');
var position = calculatePosition(div1, div2);
console.log('Relative position:', position);
};
</script>
</body>
</html>