创建一个更简单的嵌套函数 [英] Create a simpler way of nesting functions
本文介绍了创建一个更简单的嵌套函数的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
foo(bar(baz(hello)) )//函数地狱
理想情况是这样的
var fbb = bind(foo,bar,baz)
foo(hello)
这是否存在?本机还是图书馆?
解决方案
Underscore有 撰写 函数,它可以做你想做的事情:
var composite = _.compose(foo,bar,baz);
复合('hello');
< + a1;} function bar(a2){return'bar'+ a2;} function baz(a3){return'baz'+ a3;} alert(foo(bar(baz(hello)))); var composite = _.compose(foo,bar,baz); alert(composite('hello'));
< script src =// cdnjs.cloudflare.com/ajax/libs/underscore.js/1.7.0/underscore-min.js>< / script>
I'm looking to lower my overhead on code like this
foo(bar(baz("hello"))) // function hell
ideally something like this
var fbb = bind(foo, bar, baz)
foo("hello")
Does this exist? Native or library?
I looked through underscore and bind.
解决方案
Underscore has the compose function which will do what you want:
var composite = _.compose(foo, bar, baz);
composite('hello');
function foo(a1){
return 'foo' + a1;
}
function bar(a2){
return 'bar' + a2;
}
function baz(a3){
return 'baz' + a3;
}
alert(foo(bar(baz("hello"))));
var composite = _.compose(foo, bar, baz);
alert( composite('hello') );
<script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.7.0/underscore-min.js"></script>
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