upper first char -- regx

upper first char -- regx

by whitewolf

JavaScript

String.prototype.capitalize = function(){
    return this.replace( /(^|\s)([a-z])/g , function(m,p1,p2){ return p1+p2.toUpperCase();
    } );
};

console.log("i am a boy !".capitalize())


var s = "张三56分， 李四74分， 王五92分， 赵六84分";
var a = s.match(/\d+/g);
var sum = 0;
for(var i = 0 ; i < a.length; i++){
	sum += parseFloat(a[i]);
}

var avg = sum / a.length;

function f(){
	var n = parseFloat(arguments[1]);
	return n + "分" + "(" + ((n > avg) ? ("超出平均分" + (n - avg)) : 
		("低于平均分" + (avg - n))) + "分)";
}

var result = s.replace(/(\d+)分/g, f);
console.log(result);