jquery function Optional Arguments

1.javascript 选项散列对象

function Test(p1,p2,p3,p4,p5){

//do something

}

call:

参数可选

Test({

p1:value1,

p2:value2,

p5:value5

});

2. self-definition function

Test(options){

　　var settings = $.extend({

p1:value1,

p2:value2,

p3:value3,

p4:value4,

p5:value5

},options||{});

//do something

}