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Wyświetlanie wyników dla tagów 'js' .
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<body> <div class="container"> <div class="el st1 st2">5</div> <div class="el last-attempt"><span>7</span></div> <div class="el st1 st2">5</div> <div class="el last-attempt"><span>7</span></div> <div class="el first-attempt">1</div> <div class="el attrib" data-hack-inactive>6</div> <div class="el hack">3</div> <div class="el attrib" data-hack-inactive>6</div> <div class="el" data-border>2</div> <div class="el last-attempt"><span>7</span></div> <div class="el hijack" title="hijack">4</div> <div class="el last-attempt"><span>7</span></div> <div class="el hack">3</div> <div class="el last-attempt"><span>7</span></div> <div class="el first-attempt">1</div> <div class="el last-attempt"><span>7</span></div> <div class="el attrib" data-hack-inactive>6</div> <div class="el hack">3</div> <div class="el st1 st2">5</div> <div class="el" data-border>2</div> <div class="el hijack" title="hijack">4</div> <div class="el" data-border>2</div> <div class="el last-attempt"><span>7</span></div> <div class="el hijack" title="hijack">4</div> <div class="el last-attempt"><span>7</span></div> <div class="el hack">3</div> <div class="el st1 st2">5</div> <div class="el last-attempt"><span>7</span></div> <div class="el first-attempt">1</div> <div class="el attrib" data-hack-inactive>6</div> <div class="el st1 st2">5</div> <div class="el last-attempt"><span>7</span></div> <div class="el" data-border>2</div> <div class="el last-attempt"><span>7</span></div> <div class="el first-attempt">1</div> <div class="el last-attempt"><span>7</span></div> <div class="el hijack" title="hijack">4</div> <div class="el last-attempt"><span>7</span></div> <div class="el hack">3</div> <div class="el last-attempt"><span>7</span></div> <div class="el first-attempt">1</div> <div class="el last-attempt"><span>7</span></div> <div class="el st1 st2">5</div> <div class="el last-attempt"><span>7</span></div> <div class="el" data-border>2</div> <div class="el last-attempt"><span>7</span></div> <div class="el" data-border>2</div> <div class="el attrib" data-hack-inactive>6</div> <div class="el last-attempt"><span>7</span></div> </div> </body> Jak z pomocą js używając dataset dodać do <div class="el" data-border>2</div> atrybut data-el-active let dataBorders = document.querySelectorAll("[data-border]") I co dalej?