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JS代码隐藏网页上点中的元素

JavaScript 水墨上仙 1567次浏览

JS代码隐藏网页上点中的元素

// Click on an element (image, etc.) to hide, press Escape when finished.
// My site: andrew.dx.am
javascript:(function(){var d=document,useMine=true,prevEl;function AddHandler(orig,mine) {return function(e){if(useMine)mine(e);else if(orig)orig(e);};}function Myonmouseover(e) {var evt=e||window.event;var elem=evt.target||evt.srcElement;elem.style.outline='2px solid gray'; prevEl=elem;}function Myonmouseout(e){var evt=e||window.event;var elem=evt.target||evt.srcElement;elem.style.outline='';} function Myonclick(e){var evt=e||window.event;var elem=evt.target||evt.srcElement;elem.style.display='none';} function Myonkeydown(e){var evt=e||window.event;if(evt.keyCode==27){prevEl.style.outline='';useMine=false;}} d.onmouseover=AddHandler(d.onmouseover,Myonmouseover);d.onmouseout=AddHandler(d.onmouseout,Myonmouseout); d.onclick=AddHandler(d.onclick,Myonclick);d.onkeydown=AddHandler(d.onkeydown,Myonkeydown);})()
// Here's the expanded code as well:
javascript:
(function(){
  var d=document,useMine=true,prevEl;
  function AddHandler(orig,mine){
    return function(e){
      if(useMine)
        mine(e);
      else if(orig)orig(e);
    };
  }
  function Myonmouseover(e){
    var evt=e||window.event;
    var elem=evt.target||evt.srcElement;
    elem.style.outline='2px solid gray';
    prevEl=elem;
  }
  function Myonmouseout(e){
    var evt=e||window.event;
    var elem=evt.target||evt.srcElement;
    elem.style.outline='';
  }
  function Myonclick(e){
    var evt=e||window.event;
    var elem=evt.target||evt.srcElement;
    elem.style.display='none';
  }
  function Myonkeydown(e){
    var evt=e||window.event;
    if(evt.keyCode==27){
      prevEl.style.outline='';
      useMine=false;
    }
  }
  d.onmouseover=AddHandler(d.onmouseover,Myonmouseover);
  d.onmouseout=AddHandler(d.onmouseout,Myonmouseout);
  d.onclick=AddHandler(d.onclick,Myonclick);
  d.onkeydown=AddHandler(d.onkeydown,Myonkeydown);
}
)()


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