▁attribute ▁is ▁the ▁key ▁the ▁user ▁will ▁press ▁( typ ically ▁in ▁combination ▁with ▁one ▁or ▁more ▁other ▁keys , ▁as ▁defined ▁by ▁the ▁browser ) ▁in ▁order ▁to ▁activ ate ▁or ▁focus ▁that ▁element . ▁Though ▁the ▁access key ▁attribute ▁sets ▁the ▁key ▁that ▁can ▁be ▁pressed , ▁it ▁does ▁not ▁automatically ▁notify ▁the ▁user ▁of ▁the ▁bound ▁access ▁key . ▁One ▁convention ▁is ▁for ▁the ▁page ▁author ▁to ▁show ▁the ▁access ▁key ▁value ▁by ▁using ▁the ▁< u > ▁tag ▁to ▁under line ▁the ▁letter ▁in ▁the ▁link ’ s ▁text ▁corresponding ▁to ▁the ▁access key ▁assigned . ▁For ▁the ▁link ▁below , ▁a ▁user ▁would ▁press ▁+ ▁on ▁Internet ▁Explorer , ▁+ ▁on ▁a ▁Mac ▁( the ▁command ▁key ▁can ▁give ▁und es ired ▁results ) ▁and ▁++ ▁on ▁Opera ▁to ▁be ▁directed ▁to ▁index . html . ▁▁ ▁< a ▁href =" index . html " ▁access key =" h "> Home </ a > ▁ ▁or ▁to ▁emphas ize ▁ ‹ H › : ▁▁ ▁< a ▁href =" index . html " ▁access key =" h ">< em > H </ em > ome </ a > ▁ ▁altern atively , ▁the ▁following ▁CSS ▁can ▁be ▁used ▁to ▁indicate ▁the ▁character : ▁ ▁* [ access key ]: after ▁{ content :' ▁[' ▁attr ( access key ) ▁' ] '} ▁Em phas ize ▁< em > ▁isn ’ t ▁necessary , ▁but ▁can ▁be ▁useful ▁to ▁the ▁user . ▁It ▁helps ▁them ▁identify ▁which ▁key ▁to