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Add IE support for dataset.

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IE doesn't support dateset, so use a raw `data-ps-id`
attribute.
This commit is contained in:
Hyunje Alex Jun 2015-02-17 01:26:44 +00:00
parent 86a23cb74e
commit c4790bb656
1 changed files with 28 additions and 4 deletions
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32
src/js/plugin/instances.js
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@ -50,18 +50,42 @@ function Instance(element) {
i.railYHeight = null;
}
function getId(element) {
if (typeof element.dataset === 'undefined') {
return element.getAttribute('data-ps-id');
} else {
return element.dataset.psId;
}
}
function setId(element, id) {
if (typeof element.dataset === 'undefined') {
element.setAttribute('data-ps-id', id);
} else {
element.dataset.psId = id;
}
}
function removeId(element) {
if (typeof element.dataset === 'undefined') {
element.removeAttribute('data-ps-id');
} else {
delete element.dataset.psId;
}
}
exports.add = function (element) {
var newId = guid();
element.dataset.psId = newId;
setId(element, newId);
instances[newId] = new Instance(element);
return instances[newId];
};
exports.remove = function (element) {
delete instances[element.dataset.psId];
delete element.dataset.psId;
delete instances[getId(element)];
removeId(element);
};
exports.get = function (element) {
return instances[element.dataset.psId];
return instances[getId(element)];
};