控制台顺序输入

var a = 
[[0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0],
 [0,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,0],
 [0,0,1,0,0,0,0,1,0,1,0,0,0,0,1,0,0],
 [0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0],
 [0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0],
 [0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0],
 [0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0],
 [0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0],
 [0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0],
 [0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0],
 [0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0],
 [0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0],
 [0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0]]

var show = function(arr){
    var str = ''
    for(var i=0;i<arr.length;i++){
        for(var j=0;j<arr[i].length;j++){
            str += (arr[i][j]?'*':'-')
        }
        str+='\n'
    }
    console.log(str)
}

show(a)

5分钟画心程序.jpg

红色心

var show = function(arr){
    var str = ''
    for(var i=0;i<arr.length;i++){
        for(var j=0;j<arr[i].length;j++){
            str += (arr[i][j]?'*':' ')
        }
        str+='\n'
    }
    console.log("%c%s",
            "color: red;",
            str);
}
show(a)

红色心.jpg

心全红

var a = 
[[0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0],
 [0,0,0,1,1,1,1,0,0,0,1,1,1,1,0,0,0],
 [0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0,0],
 [0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0],
 [0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0],
 [0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0],
 [0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0],
 [0,0,0,1,1,1,1,1,1,1,1,1,1,1,0,0,0],
 [0,0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0],
 [0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0],
 [0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0],
 [0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0],
 [0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0]]

全红.jpg