Sha256: d7c5fab0a31b292bc5a061edc6458827e994c0c9ec61c495bf94d496a0ee1658
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Size: 1.35 KB
Versions: 5
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Stored size: 1.35 KB
Contents
import "selection";
d3_selectionPrototype.property = function(name, value) {
if (arguments.length < 2) {
// For property(string), return the property value for the first node.
if (typeof name === "string") return this.node()[name];
// For property(object), the object specifies the names and values of the
// properties to set or remove. The values may be functions that are
// evaluated for each element.
for (value in name) this.each(d3_selection_property(value, name[value]));
return this;
}
// Otherwise, both a name and a value are specified, and are handled as below.
return this.each(d3_selection_property(name, value));
};
function d3_selection_property(name, value) {
// For property(name, null), remove the property with the specified name.
function propertyNull() {
delete this[name];
}
// For property(name, string), set the property with the specified name.
function propertyConstant() {
this[name] = value;
}
// For property(name, function), evaluate the function for each element, and
// set or remove the property as appropriate.
function propertyFunction() {
var x = value.apply(this, arguments);
if (x == null) delete this[name];
else this[name] = x;
}
return value == null
? propertyNull : (typeof value === "function"
? propertyFunction : propertyConstant);
}
Version data entries
5 entries across 5 versions & 3 rubygems