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https://www.w3schools.com/jsref/met_element_hasattribute.asp
JavaScript JavaScript Reference ... The hasAttribute() method returns true if the specified attribute exists, otherwise it returns false. Tip: Use setAttribute() to add a new attribute or change the value of an existing attribute on an element. Browser Support. The numbers in the table specify the first browser version that fully supports the ...
https://developer.mozilla.org/en-US/docs/Web/API/Element/hasAttribute
The Element.hasAttribute() method returns a Boolean value indicating whether the specified element has the specified attribute or not. Syntax var result = element.hasAttribute(name); result holds the return value true or false. name is a string representing the name of the attribute. Example
https://www.w3schools.com/jsref/met_element_getattribute.asp
Definition and Usage. The getAttribute() method returns the value of the attribute with the specified name, of an element. Tip: Use the getAttributeNode() method if you want to return the attribute as an Attr object.
https://stackoverflow.com/questions/52460894/javascript-doesnt-support-property-or-method-hasattribute
Sep 21, 2018 · I have a JavaScript error displaying when I use a web application (doesn't support property or method hasAttribute) on IE. Doing the research it seems to be IE ...
https://developer.mozilla.org/en/docs/Web/API/Element/getAttribute
The getAttribute() method of the Element interface returns the value of a specified attribute on the element. If the given attribute does not exist, the value returned will either be null or "" (the empty string); see Notes for details.. Syntax let attribute = element.getAttribute(attributeName); . where. attribute is a string containing the value of attributeName.
https://javascript.info/dom-attributes-and-properties
In the example above: Changing the attribute value updates the property.; But the property change does not affect the attribute. That “feature” may actually come in handy, because the user actions may lead to value changes, and then after them, if we want to recover the “original” value from HTML, it’s in the attribute.. DOM properties are typed
https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute
Element.setAttribute(name, value); Parameters name A DOMString specifying the name of the attribute whose value is to be set. The attribute name is automatically converted to all lower-case when setAttribute() is called on an HTML element in an HTML document. value A DOMString containing the value to assign to the attribute. Any non-string ...
https://developer.mozilla.org/en-US/docs/Web/API/Element/hasAttributes
The hasAttributes() method of the Element interface returns a Boolean indicating whether the current element has any attributes or not.
https://developer.mozilla.org/en-US/docs/Web/API/Element/toggleAttribute
The toggleAttribute() method of the Element interface toggles a Boolean attribute (removing it if it is present and adding it if it is not present) on the given element.
https://www.w3schools.com/xml/met_element_hasattribute.asp
CSS Reference CSS Browser Support CSS Selector Reference Bootstrap 3 Reference Bootstrap 4 Reference W3.CSS Reference Icon Reference Sass Reference. JavaScript JavaScript Reference HTML DOM Reference jQuery Reference AngularJS Reference W3.JS Reference Programming Python Reference Java Reference. ... x.hasAttribute("category"); ...
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