Přetahovatelné html
Příklady kódu
přetažení html
<!DOCTYPE HTML>
<html>
<head>
<script>
function allowDrop(ev) {
ev.preventDefault();
}
function drag(ev) {
ev.dataTransfer.setData("text", ev.target.id);
}
function drop(ev) {
ev.preventDefault();
var data = ev.dataTransfer.getData("text");
ev.target.appendChild(document.getElementById(data));
}
</script>
</head>
<body>
<div id="box" ondrop="drop(event)"
ondragover="allowDrop(event)"
style="border:1px solid black;
width:200px; height:200px"></div>
<img id="image" src="sample.jpg" draggable="true"
ondragstart="drag(event)" width="150" height="50" alt="" />
</body>
</html>přetažení html
function drop(ev) {
ev.preventDefault();
var data = ev.dataTransfer.getData("text");
ev.target.appendChild(document.getElementById(data));
}js draggable
<script>
var dragged;
/* events fired on the draggable target */
document.addEventListener("drag", function(event) {
}, false);
document.addEventListener("dragstart", function(event) {
// store a ref. on the dragged elem
dragged = event.target;
// make it half transparent
event.target.style.opacity = .5;
}, false);
document.addEventListener("dragend", function(event) {
// reset the transparency
event.target.style.opacity = "";
}, false);
/* events fired on the drop targets */
document.addEventListener("dragover", function(event) {
// prevent default to allow drop
event.preventDefault();
}, false);
document.addEventListener("dragenter", function(event) {
// highlight potential drop target when the draggable element enters it
if (event.target.className == "dropzone") {
event.target.style.background = "purple";
}
}, false);
document.addEventListener("dragleave", function(event) {
// reset background of potential drop target when the draggable element leaves it
if (event.target.className == "dropzone") {
event.target.style.background = "";
}
}, false);
document.addEventListener("drop", function(event) {
// prevent default action (open as link for some elements)
event.preventDefault();
// move dragged elem to the selected drop target
if (event.target.className == "dropzone") {
event.target.style.background = "";
dragged.parentNode.removeChild( dragged );
event.target.appendChild( dragged );
}
}, false);
</script>Související stránky
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