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Home  >  Article  >  Web Front-end  >  html5 touch event realizes sliding up and down the touch screen page (1)_html5 tutorial skills

html5 touch event realizes sliding up and down the touch screen page (1)_html5 tutorial skills

WBOY
WBOYOriginal
2016-05-16 15:51:362208browse

The recent app project I was working on caused a lot of problems due to the use of overflow: hidden, so I decided to study the touch event of HTML5. It is difficult to find a comprehensive post. Although there are many articles about html5 touch, most of them introduce touch events or very short demos.
A relatively comprehensive small demo of sliding up and down, the code is relatively simple.

The following is the complete code. I have marked several important places in red

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  1. >  
  2. <html lang="en">  
  3. <head>  
  4.     <meta charset="UTF-8">  
  5.     <meta name="viewport" content="width=device-width,initial-scale=1 user-scalable=0"/>  
  6.     <title>2014-4-29title>  
  7.     <style>  
  8.     * {margin: 0;  padding: 0;}   
  9.     #outer{ width:90%; height: 490px; background: #000; margin: auto;  overflow: hidden;}   
  10.     #inner{width:80%; height: 2000px; background: #f67d42; margin: auto; position:relative; top:0;  }  
  11.     style>  
  12.     <script src='jquery-1.9.1.min.js'>script>  
  13. head>  
  14. <body>  
  15.   
  16. <div id="spText">div>  
  17.     <div id="outer">  
  18.         <div id="inner">  
  19.         123<br>        123<br>    gag<br> af<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> yryyr<br> ryry<br> 123<br> 123<br> 123<br> 123<br> 123<br> sdff<br> fef<br> 123<br> hr<br> hrh<br> 5y<br> 123<br> er<br> ert<br> 123<br> rgdgdg<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> gfgfgfgfgfgf<br> sdsdsdsdsdsd<br> sf<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> gdggdgdg<br> 123<br> drgdrgd<br> 123<br> 123<br> 123<br> yuyuyuyuyuy<br> hjkhjkhkhkhjkhkh<br> kjkjk<br>123<br>      123<br>    gag<br> af<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> yryyr<br> ryry<br> 123<br> 123<br> 123<br> 123<br> 123<br> sdff<br> fef<br> 123<br> hr<br> hrh<br> 5y<br> 123<br> er<br> ert<br> 123<br> rgdgdg<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> gfgfgfgfgfgf<br> sdsdsdsdsdsd<br> sf<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> 123<br> gdggdgdg<br> 123<br> drgdrgd<br> 123<br> 123<br> 123<br> yuyuyuyuyuy<br> hjkhjkhkhkhjkhkh<br> kjkjk<br>         
  20.         div>  
  21.     div>  
  22.   
  23. <script>
  24. var startX, //Coordinates when touched
  25. startY,
  26. x, //sliding distance
  27. y,
  28.  aboveY=0; //Set a global variable to record the position of the last internal block slide
  30. var inner=document.getElementById("inner");
  31.                                           
    32. function touchSatrt(e){//touch
    33. e.preventDefault();
    34. var
  34. touch=e.touches[0];
    35.                                                                                                                                                🎜>
  35.                                                             function touchMove(e){//Slide
    36. e.preventDefault();
    37. var
  37. touch
    38. =
  38. e
    39. .touches[0];
  39.  
    40. y
  40. = touch.pageY - startY;//Sliding distance //
    41. inner.style.webkitTransform
  41. = 'translate(' 0 'px, ' y 'px )'; //You can also use css3.  
    42. inner.style.top
  42. =aboveY y "px"; //AboveY in this sentence is The position of inner after the last slide }             
  44. function touchEnd(e){//Finger leaves the screen
  45. e.preventDefault();
    46.  
  46. aboveY=parseInt(inner.style.top);//Record the internal slider after the touch is completed The sliding position is reflected in the global variable and must be converted into an integer using parseInt();
    48. }//
    49. document.getElementById("outer").addEventListener('touchstart', touchSatrt,false);
    50. document.getElementById("outer").addEventListener('touchmove', touchMove,false);
    51. document.getElementById("outer").addEventListener('touchend', touchEnd,false);
  52. script>
  53. body>
  55. html>
The above is the entire content of this article, I hope it will be helpful to everyone’s study.

Original text:

http://www.cnblogs.com/leinov/p/3701951.html

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