Closed brickspert closed 4 years ago
求数组中最大项
var arr = [1, 20, 22, 50, 11, 22];
var max = Math.max.apply(Math, arr);
求数组中最大项
var arr = [1, 20, 22, 50, 11, 22];
var max = Math.max(...arr);
前端错误记录到后端
function logError(sev, msg){
var img = new Image();
img.src = "log.php?sev=" + encodeURIComponent(sev) + "&msg=" +
encodeURIComponent(msg);
}
去重
Array.from(new Set([1,2,3,1,2,1,1,1,1,1]))
去重
[...new Set([1,2,3,1,2,1,1,1,1,1])]
准确检测数据类型 Object.prototype.toString.call(val) == '[object ...]'
最大值这样也行 Math.max.call(...arr)
@Miller547719886 .call/.apply没啥区别的
记录看到的最优美的JS代码