var band = {
"name":"The Red Hot Chili Peppers",
"members":[
{
"name":"Anthony Kiedis",
"role":"lead vocals"
},
{
"name":"Michael 'Flea' Balzary",
"role":"bass guitar, trumpet, backing vocals"
},
{
"name":"Chad Smith",
"role":"drums,percussion"
},
{
"name":"John Frusciante",
"role":"Lead Guitar"
}
],
"year":""
}
var numbers =
[,,,,];
var max = ;
for(var i=;i
if(numbers[i]
> max){
max = numbers[i];
}
}
alert(max);
var numbers =
[,,,,];
numbers.sort(function(a,b){return b -
a});
alert(numbers[]);
Math.max(12,123,3,2,433,4); // returns 433
var scrollTop= Math.max( doc.documentElement.scrollTop, doc.body.scrollTop );
function addclass(elm,newclass){
var c =
elm.className;
elm.className = (c === '') ? newclass : c+' '+newclass;
} 你可以使用 split() 和 join() 函数自动完成这个任务: function addclass(elm,newclass){
var classes =
elm.className.split(' ');
classes.push(newclass);
elm.className = classes.join(' ');
}
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