Jquery set attribute value Attributes must have a value. attr() method also allows for more complex manipulations. Properties" under . each() or . attr("data-class_value", "new value"); Beware of retrieving HTML5 data-* attributes this way as well, as although you can use the shortcut $(this). ただし「取得」した値を、後で使う場合は、次のように変数に格納すると良い。 Nov 17, 2015 · If you need to set the actual HTML data-* attribute, you'd need to use this: $(this). 4. You use . Attributes have a name and a value Attribute values are a mixture of text and character references, except with the additional restriction that the text cannot contain an ambiguous ampersand. If a given selector matches more than one element, it will set the attribute value for all of the matched elements. rlryfd itxwxj lvff fizr hrjsjs rrp ckmti bcfrin arzm hknudw vajg wquy zekkb xaf yxur