Warning: file_get_contents(/data/phpspider/zhask/data//catemap/9/javascript/404.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
从阵列中选择随机背景颜色。Javascript/html_Javascript_Html - Fatal编程技术网

从阵列中选择随机背景颜色。Javascript/html

从阵列中选择随机背景颜色。Javascript/html,javascript,html,Javascript,Html,嘿,我是新的编码和有一个任务,我需要包括随机颜色选择器的背景。颜色是红色、绿色、黄色和蓝色。我一直在研究和玩弄它,但我已经停滞不前了。如果您能告诉我怎么做,我将不胜感激。谢谢:)使用jQuery以css属性为目标 color = ["red", "green", "yellow", "blue"]; var randomNum = Math.floor(Math.random() * color.length); console.log(randomNum);

嘿,我是新的编码和有一个任务,我需要包括随机颜色选择器的背景。颜色是红色、绿色、黄色和蓝色。我一直在研究和玩弄它,但我已经停滞不前了。如果您能告诉我怎么做,我将不胜感激。谢谢:)

使用jQuery以css属性为目标

color = ["red", "green", "yellow", "blue"];

        var randomNum = Math.floor(Math.random() * color.length);
        console.log(randomNum);
        var randomColor = color[randomNum];
        $("body").css("background-color", randomColor);

这可能会对您有所帮助。

这里是javascript部分

var colors = ["red", "green", "yellow", "blue"]; //Array of colors
var randomColor = colors[Math.floor(Math.random() * colors.length)]; //Pick one randomly
document.body.style.background = randomColor; //Apply the color on the body background

可能重复请求javascript而不是JQuery的OP