JavaScript,setTimeout,链式操作修改很简单，通过参数判断，然后返回下promise对象
(function() {
var timeout = setTimeout;
window.setTimeout = function(fn, time) {
if (!time) {
time = fn;
return $.Deferred(function(dfd) {
timeout(function() {
dfd.resolvel(dfd);
}, time);
}).promise();
}
timeout.apply(window, arguments);
}
})();
调用
setTimeout(1000).done(function(dnt) {
console.log(dnt)
})
JavaScript,setTimeout,链式操作
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