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    element.hasAttribute Redirect 1


    hasAttribute returns a boolean value indicating whether the specified element has the specified attribute or not.


    var result = element.hasAttribute(attName);
    • result holds the return value true or false.
    • attName is a string representing the name of the attribute.


    // check that the attribute exists before setting a value 
    var d = document.getElementById("div1"); 
    if (d.hasAttribute("align")) { 
      d.setAttribute("align", "center"); 


    DOM methods dealing with element's attributes:

    Not namespace-aware, most commonly used methods Namespace-aware variants (DOM Level 2) DOM Level 1 methods for dealing with Attr nodes directly (seldom used) DOM Level 2 namespace-aware methods for dealing with Attr nodes directly (seldom used)
    setAttribute (DOM 1) setAttributeNS setAttributeNode setAttributeNodeNS
    getAttribute (DOM 1) getAttributeNS getAttributeNode getAttributeNodeNS
    hasAttribute (DOM 2) hasAttributeNS - -
    removeAttribute (DOM 1) removeAttributeNS removeAttributeNode -


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    Contributors to this page: Sheppy
    Last updated by: Sheppy,