data

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data module from zepto.

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data

data(name) ⇒ value data(name, value) ⇒ self

Read or write data-* DOM attributes. Behaves like attr, but prepends data- to the attribute name.

When reading attribute values, the following conversions apply: v1.0+

• “true”, “false”, and “null” are converted to corresponding types;
• number values are converted to actual numeric types;
• JSON values are parsed, if it’s valid JSON;
• everything else is returned as string.