JavaScript currying Function transfer

When taking a bath, continue to think about Currie's products. After washing, run to the computer and continue to test. It seems that there are no eggs left, but write down first. I feel that it may be helpful for later learning.

It is still written in JavaScript. This time, the running results will not be listed.

A function transfer

 function say(word) { console.log(word); } function execute(someFunction, value) { someFunction(value); } execute(say, "yes");

Use of multiple function transfers

 function say(arg1) { console.log(arg1); } function write(arg2) { console.log(arg2); } function listen(arg3) { console.log(arg3); } function execute(someFunction, value) { someFunction(value); } execute(say, "yes"); execute(write, "no"); execute(listen, "welcome");

Sometimes we need to do these three things at the same time, or two of them

 function listen(arg1) { console.log(arg1); return (callback) => { return callback && callback(arg1); } } function say(arg2) { console.log(arg2); return (callback) => { return callback && callback(arg2); } } function write(arg3) { console.log(arg3); return (callback) => { return callback && callback(arg3); } } function review(value) { console.log(value); return (callback) => { return callback && callback(value); } } review(3); review(3)(say)； review(3)(say)(listen)； review(3)(say)(listen)(write);

It's just like this. It seems useless... I'd better read a book

/Escape

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