<script type="text/javascript">
window.onload = function() {
var oDiv = document.getElementById("div1");
var disX = 0;
var disY = 0;
oDiv.onmousedown = function(ev) {
var oEvent = ev || event;
disX = oEvent.clientX - oDiv.offsetLeft;
disY = oEvent.clientY - oDiv.offsetTop;
oDiv.onmousemove = function(ev) {
var oEvent = ev || event;
oDiv.style.left = oEvent.clientX - disX+'px';
oDiv.style.top = oEvent.clientY - disY+'px';
};
oDiv.onmouseup = function() {
oDiv.onmousemove = null;
oDiv.onmouseup = null;
};
};
};
</script>
<script type="text/javascript">
window.onload = function() {
var oDiv = document.getElementById("div1");
var disX = 0;
var disY = 0;
oDiv.onmousedown = function(ev) {
var oEvent = ev || event;
disX = oEvent.clientX - oDiv.offsetLeft;
disY = oEvent.clientY - oDiv.offsetTop;
// 事件加载document 上
document.onmousemove = function(ev) {
var oEvent = ev || event;
oDiv.style.left = oEvent.clientX - disX+'px';
oDiv.style.top = oEvent.clientY - disY+'px';
};
oDiv.onmouseup = function() {
document.onmousemove = null;
oDiv.onmouseup = null;
};
};
};
</script>
document.onmouseup = function() {
document.onmousemove = null;
document.onmouseup = null;
};
<script type="text/javascript">
window.onload = function() {
var oDiv = document.getElementById("div1");
var disX = 0;
var disY = 0;
oDiv.onmousedown = function(ev) {
var oEvent = ev || event;
disX = oEvent.clientX - oDiv.offsetLeft;
disY = oEvent.clientY - oDiv.offsetTop;
// 事件加载document 上
document.onmousemove = function(ev) {
var oEvent = ev || event;
oDiv.style.left = oEvent.clientX - disX+'px';
oDiv.style.top = oEvent.clientY - disY+'px';
};
document.onmouseup = function() {
document.onmousemove = null;
document.onmouseup = null;
};
return false;
};
};
</script>
<script type="text/javascript">
// 拖拽空div 低版本的火狐有bug
window.onload = function() {
var oDiv = document.getElementById("div1");var disX = 0;
var disY = 0;
oDiv.onmousedown = function(ev) {
var oEvent = ev || event;
disX = oEvent.clientX - oDiv.offsetLeft;
disY = oEvent.clientY - oDiv.offsetTop;
document.onmousemove = function(ev) {
var oEvent = ev || event;
// 存储div当前的位置
var oDivLeft = oEvent.clientX - disX;
var oDivTop = oEvent.clientY - disY;
// 从左边拖出去了
if (oDivLeft < 0) {
oDivLeft = 0;
} else if (oDivLeft > document.documentElement.clientWidth - oDiv.offsetWidth) {
oDivLeft = document.documentElement.clientWidth - oDiv.offsetWidth;
}
if (oDivTop < 0) {
oDivTop = 0;
} else if (oDivTop > document.documentElement.clientHeight - oDiv.offsetHeight) {
oDivTop = document.documentElement.clientHeight - oDiv.offsetHeight;
}
oDiv.style.left = oDivLeft + 'px';
oDiv.style.top = oDivTop + 'px';
};
document.onmouseup = function() {
document.onmousemove = null;
document.onmouseup = null;
};
return false; // 阻止默认事件,解决火狐的bug
};
};
</script>
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