jquery点击按钮没有反应

代码如下,点击按钮没有任何效果

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

    
    </script>
</body>
</html>
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5 个回答

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。

参数列表里的 $ 去掉

新手上路,请多包涵

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''。

<!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;
          width:300px;
          height:200px;
          position:relative;
        }
</style>
<title>Document</title>
</head><body>

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

<div id='cbox'>变化的Box</div>
<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/jquery/color-animation/
 * 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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