js对象的创建、RegExp、

2017-01-08  本文已影响8人  jlnbda3488375

silen=new Object();
silen.firstname="YoungLee";
silen.age=18;

替代语法

silen{firstname="YoungLee" , age=18};

function silen(firstname,age){
this.firstname=firstname;
this.age=age;
}


RegExp
是正则表达式(regular expression)的简写;

var x = 'What rough beast , it's hour come around at last.';
var y = /hOur/i;
document.write(x.match(y));


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