【点击开始按钮报错 _函数 _事件】

点击开始按钮报错

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函数事件

详细描述

截图

代码

var Sudoku = document.getElementsByClassName('Sudoku');
var start = document.getElementById('start');
var off = document.getElementById('off');
var time;
function begin() {
    var one = Math.floor(Math.random()*9);
    var two = Math.floor(Math.random()*9);
    var three = Math.floor(Math.random()*9);
    if(one == two){
        one = Math.floor(Math.random()*9);
    }else if(two == three){
        two = Math.floor(Math.random()*9);
    }else if(one = three){
        three = Math.floor(Math.random()*9);
    }
    Sudoku[one].style.backgroundColor = 'rgb'+ colors();
    Sudoku[two].style.backgroundColor = 'rgb'+ colors();
    Sudoku[three].style.backgroundColor = 'rgb'+ colors();
}
function colors() {
    var rgb;
    var r = Math.floor(Math.random()*265);
    var g = Math.floor(Math.random()*265);
    var b = Math.floor(Math.random()*265);
    rgb = '('+r+','+g+','+b+')';
    return rgb;
}
function start(){
    clearInterval(time);
    time = setInterval(function(){
        for(var i = 0; i < 9; i++){
            Sudoku[i].style.backgroundColor = '';
        }
        begin();

    },1000);
}
 function off(){
    clearInterval(time);
    for(var i = 0; i < 9; i++){
        Sudoku[i].style.backgroundColor = '';
    }
}

编辑于2025-05-17