Description: JQuery random number calculation verification code based on jquery-1.12.3.min.js code, digital production, operation symbols, background color, random display, fill in the calculation results, some verification, if the calculations are correct, the pop-up dialog box prompts the correct calculation, error, pop-up dialog box prompts the input error.
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jQuery随机数字运算验证码
........................\demo.html
........................\js
........................\..\code.js
........................\..\jquery-1.12.3.min.js
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