jquery可自定义生成随机密码工具插件

使用方法

$(document).ready(function () {

    const numbers = "0123456789";
    const lowercase = "abcdefghijklmnopqrstuwvxyz";
    const uppercase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    const special = "!@&#)(%^*?";
    
    //CLICK ON SUBMIT
    $("#send-button").click(function (e) {

        //Hide alert if present
        $("#copied-alert").css( "display", "none");

        e.preventDefault();
        var string = "";
        let numchecked = false;
        let lowerchecked = false;
        let upperchecked = false;
        let specialchecked = false;


        if ($('#numbers').is(":checked"))
            numchecked = true;

        if ($('#lowercase').is(":checked"))
            lowerchecked = true;

        if ($('#uppercase').is(":checked"))
            upperchecked = true;

        if ($('#special').is(":checked"))
            specialchecked = true;

        //If any option is checked
        if (numchecked || lowerchecked || upperchecked || specialchecked) {
            //Build string
            string = buildString(numchecked, lowerchecked, upperchecked, specialchecked);

            let quantity = $("#quantity").val();
            if (quantity < 8) quantity = 8; //Build password let password = buildPassword(string, quantity); //Hide no option alert if present $("#alert-no-option").css( "display", "none"); //Show password $("#password-div").css("display", "block"); $("#password").val(password); } else{ $("#alert-no-option").css( "display", "block"); } }); function buildString(numchecked, lowerchecked, upperchecked, specialchecked) { let answer = ""; if (numchecked) answer += numbers; if (lowerchecked) answer += lowercase; if (upperchecked) answer += uppercase; if (specialchecked) answer += special; return answer; } function buildPassword(string, quantity) { let answer = ""; for (let i = 0; i < quantity; i++) { //Returns a random integer from 0 to string.length const num = Math.floor(Math.random() * string.length); const char = string[num]; answer += char; } return answer; } //COPY PASSWORD TO CLIPBOARD $("#password").click(function (e) { this.focus(); this.select(); try { var successful = document.execCommand('copy'); } catch(err) { console.error('Unable to copy'); } $("#copied-alert").css("display", "block"); }); });