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Questions about addEventListener_html/css_WEB-ITnose
- WBOYOriginal
- 2016-06-24 12:17:201488browse
Helping others debug a piece of code. After debugging for a while, I found that there are many problems and my head is spinning. Please help me.
<!DOCTYPE html><html><head><SCRIPT TYPE="text/javascript" SRC="jquery.js"></SCRIPT></head><body><a href="" title="">Long press</a><p>长时间点击2秒后我会变颜色</p><script type=text/javascript> function down(){ var timeout = window.setTimeout(function() {$("p").css("color","yellow");},1000);});function up(){ $("p").css("color","black");});$("a").addEventListener("mousedown",down,false); $("a").addEventListener("mouseup",up,false); </script> </body></html> Reply to the discussion (solution)
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9c0c15d7f3bc220895adf78d998e90ad
b2386ffb911b14667cb8f0f91ea547a7Untitled Document6e916e0f7d1e588d4f442bf645aedb2f
4ec11beb6c39d0703d1751d203c17053
var p= "";
function init(){
var a=document.links[0];
if(document.body.attachEvent){
a.attachEvent("onmousedown",function() {change(1,a)});
a.attachEvent("onmouseup",function(){change(0,a)});
}else if(document.body.addEventListener){
a.addEventListener("mousedown",function(){change(1,a)},false);
a.addEventListener("mouseup",function(){change(0,a)},false);
}
}
function change(isChange,src){
if(isChange){
p=window.setTimeout(function(){src.style.color="yellow"; },2000);
}else{
window.clearTimeout(p);
}
return false;
}
window.onload=init;
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9c3bca370b5104690d9ef395f2c5f8d1
6c04bd5ca3fcae76e30b72ad730ca86d
8aa2918506a11e8a886e85949f1eb079Press me for two seconds to change color5db79b134e9f6b82c0b36e0489ee08ed
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73a6ac4ed44ffec12cee46588e518a5e
Try this