Use JS to find random numbers, Random number formula: Math.random()*(max-min) min
Example, find 0-10 Find a random integer between 10-20; Find a random integer between 20 and 30; Find a random integer between 7 and 91
function geta(max,min){ Function var random =Math.random()*(max-min) min; // Find the formula for random numbers random = Math.floor(random); // Round down (remove decimals directly) Document.write (random "& lt; hr/& gt;"); // output results } geta(0,10); geta(10,20); geta(20,30); geta(7,91);
内的num是随机数，以便每次都能链接到不同的图片。
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Example, find 0-10 Find a random integer between 10-20; Find a random integer between 20 and 30; Find a random integer between 7 and 91
function geta(max,min){ Function var random =Math.random()*(max-min) min; // Find the formula for random numbers random = Math.floor(random); // Round down (remove decimals directly) Document.write (random "& lt; hr/& gt;"); // output results } geta(0,10); geta(10,20); geta(20,30); geta(7,91);Use JS to find random numbers,
Random number formula: Math.random()*(max-min) min
How to generate random numbers in html tags? -PHP Chinese website Q&A-How to generate random numbers in html tags? -PHP Chinese website Q&A
Let’s take a look and learn.
你这图片显示随机数，你能确保任何数字都能有个图片在服务器上面吗，所以你这个随机数应该是有个范围在，或者说，定义一个集合，里面放所有图片随机数，
var imageNums = [123,221,32]; function getImageNum(numArray){ var index = Math.获取随机数，范围是数组下标范围内; return numArray[index]; }