只需创建一个包装回调:
callWithMagic(function(magic) { return processMagic(magic, 42);});或使用ECMAscript 6箭头功能:
callWithMagic(magic => processMagic(magic, 42));

只需创建一个包装回调:
callWithMagic(function(magic) { return processMagic(magic, 42);});或使用ECMAscript 6箭头功能:
callWithMagic(magic => processMagic(magic, 42));