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jquery antwortet beim Klicken auf die Schaltfläche nicht – Stapelüberlauf
为情所困
为情所困 2017-05-18 10:59:07
0
5
534

Der Code lautet wie folgt, das Klicken auf die Schaltfläche hat keine Auswirkung
<!DOCTYPE html>
<html lang="en">
<head>

<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script>
<style>
    #cbox{
          background-color:green;
          color:red;
          border:5;
          width:300px;
          height:200px;
          positon:relative;
        }
</style>
<title>Document</title>

</head>
<body>

<h1>Jquery 学习</h1>
<button id='btn'>点击</button>

<p id='cbox'>变化的Box</p>
<script>
    jQuery(document).ready(function($){
        $('#btn').click(function(event){
            $('#cbox').animate({
                left:300,
                color:gray,
                width:'400px'
            });
        });
    });


</script>

</body>
</html>

为情所困
为情所困

Antworte allen(5)
Peter_Zhu
Peter_Zhu2017-05-18 11:01:07 5 Etage

animate是不会改变颜色的，所以这个gray是没有意义的，另外，就算你要写color，gray也应该加上引号，不然就成了一个未定义的变量了。

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小葫芦
小葫芦2017-05-18 11:01:07 4 Etage

color:'gray'

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给我你的怀抱
给我你的怀抱2017-05-18 11:01:07 3 Etage

参数列表里的 $ 去掉

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伊谢尔伦
伊谢尔伦2017-05-18 11:01:07 2 Etage

function中不该有$。
animate没有color标签，但是有透明度变换的opacity的标签。
还有标签对应的值应有单引号''。

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为情所困
为情所困2017-05-18 11:01:07 1 Etage

<!DOCTYPE html>
<html lang="en">
<head>

<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<script src="https://cdn.bootcss.com/jquer...
<style>

#cbox{
      background-color:green;
      color:red;
      width:300px;
      height:200px;
      position:relative;
    }

</style>
<title>Document</title>
</head><body>

<h1>Jquery 学习</h1>
<button id='btn'>点击</button>

<p id='cbox'>变化的Box</p>
<script>

jQuery(document).ready(function($){
    $('#btn').click(function(event){
        $('#cbox').animate({
            left:300,
            color:"yellow",
            width:'400px'
        });
    });
});

</script>

<script>
/**!

  • @preserve Color animation 1.6.0

  • http://www.bitstorm.org/jquer...

  • Copyright 2011, 2013 Edwin Martin

  • Released under the MIT and GPL licenses.
    */

(function($) {
/**

  • Check whether the browser supports RGBA color mode.
    *

  • Author Mehdi Kabab http://pioupioum.fr

  • @return {boolean} True if the browser support RGBA. False otherwise.
    */

function isRGBACapable() {

var $script = $('script:first'),
    color = $script.css('color'),
    result = false;
if (/^rgba/.test(color)) {
  result = true;
} else {
  try {
    result = ( color != $script.css('color', 'rgba(0, 0, 0, 0.5)').css('color') );
    $script.css('color', color);
  } catch (e) {
  }
}

return result;

}

$.extend(true, $, {

support: {
  'rgba': isRGBACapable()
}

});

var properties = ['color', 'backgroundColor', 'borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor', 'outlineColor'];
$.each(properties, function(i, property) {

$.Tween.propHooks[ property ] = {
  get: function(tween) {
    return $(tween.elem).css(property);
  },
  set: function(tween) {
    var style = tween.elem.style;
    var p_begin = parseColor($(tween.elem).css(property));
    var p_end = parseColor(tween.end);
    tween.run = function(progress) {
      style[property] = calculateColor(p_begin, p_end, progress);
    }
  }
}

});

// borderColor doesn't fit in standard fx.step above.
$.Tween.propHooks.borderColor = {

set: function(tween) {
  var style = tween.elem.style;
  var p_begin = [];
  var borders = properties.slice(2, 6); // All four border properties
  $.each(borders, function(i, property) {
    p_begin[property] = parseColor($(tween.elem).css(property));
  });
  var p_end = parseColor(tween.end);
  tween.run = function(progress) {
    $.each(borders, function(i, property) {
      style[property] = calculateColor(p_begin[property], p_end, progress);
    });
  }
}

}

// Calculate an in-between color. Returns "#aabbcc"-like string.
function calculateColor(begin, end, pos) {

var color = 'rgb' + ($.support['rgba'] ? 'a' : '') + '('
    + parseInt((begin[0] + pos * (end[0] - begin[0])), 10) + ','
    + parseInt((begin[1] + pos * (end[1] - begin[1])), 10) + ','
    + parseInt((begin[2] + pos * (end[2] - begin[2])), 10);
if ($.support['rgba']) {
  color += ',' + (begin && end ? parseFloat(begin[3] + pos * (end[3] - begin[3])) : 1);
}
color += ')';
return color;

}

// Parse an CSS-syntax color. Outputs an array [r, g, b]
function parseColor(color) {

var match, quadruplet;

// Match #aabbcc
if (match = /#([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})/.exec(color)) {
  quadruplet = [parseInt(match[1], 16), parseInt(match[2], 16), parseInt(match[3], 16), 1];

  // Match #abc
} else if (match = /#([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])/.exec(color)) {
  quadruplet = [parseInt(match[1], 16) * 17, parseInt(match[2], 16) * 17, parseInt(match[3], 16) * 17, 1];

  // Match rgb(n, n, n)
} else if (match = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color)) {
  quadruplet = [parseInt(match[1]), parseInt(match[2]), parseInt(match[3]), 1];

} else if (match = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9\.]*)\s*\)/.exec(color)) {
  quadruplet = [parseInt(match[1], 10), parseInt(match[2], 10), parseInt(match[3], 10),parseFloat(match[4])];

  // No browser returns rgb(n%, n%, n%), so little reason to support this format.
} else {
  quadruplet = colors[color];
}
return quadruplet;

}

// Some named colors to work with, added by Bradley Ayers
// From Interface by Stefan Petre
// http://interface.eyecon.ro/
var colors = {

'aqua': [0,255,255,1],
'azure': [240,255,255,1],
'beige': [245,245,220,1],
'black': [0,0,0,1],
'blue': [0,0,255,1],
'brown': [165,42,42,1],
'cyan': [0,255,255,1],
'darkblue': [0,0,139,1],
'darkcyan': [0,139,139,1],
'darkgrey': [169,169,169,1],
'darkgreen': [0,100,0,1],
'darkkhaki': [189,183,107,1],
'darkmagenta': [139,0,139,1],
'darkolivegreen': [85,107,47,1],
'darkorange': [255,140,0,1],
'darkorchid': [153,50,204,1],
'darkred': [139,0,0,1],
'darksalmon': [233,150,122,1],
'darkviolet': [148,0,211,1],
'fuchsia': [255,0,255,1],
'gold': [255,215,0,1],
'green': [0,128,0,1],
'indigo': [75,0,130,1],
'khaki': [240,230,140,1],
'lightblue': [173,216,230,1],
'lightcyan': [224,255,255,1],
'lightgreen': [144,238,144,1],
'lightgrey': [211,211,211,1],
'lightpink': [255,182,193,1],
'lightyellow': [255,255,224,1],
'lime': [0,255,0,1],
'magenta': [255,0,255,1],
'maroon': [128,0,0,1],
'navy': [0,0,128,1],
'olive': [128,128,0,1],
'orange': [255,165,0,1],
'pink': [255,192,203,1],
'purple': [128,0,128,1],
'violet': [128,0,128,1],
'red': [255,0,0,1],
'silver': [192,192,192,1],
'white': [255,255,255,1],
'yellow': [255,255,0,1],
'transparent': [255,255,255,0]

};
})(jQuery);
</script>
</body></html>

代码直接运行 即可改变颜色 我是雷锋求采纳

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