Created
November 18, 2016 08:38
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var _promise1 = function (param) { | |
return new Promise(function (resolve, reject) { | |
setTimeout(function () { | |
console.log('ok1'); | |
resolve(param); | |
}, 100); | |
}); | |
}; | |
var _promise2 = function (param) { | |
return new Promise(function (resolve, reject) { | |
setTimeout(function () { | |
console.log('ok2'); | |
resolve(param); | |
}, 100); | |
}); | |
}; | |
var _promise3 = function (param) { | |
return new Promise(function (resolve, reject) { | |
setTimeout(function () { | |
console.log('ok3'); | |
resolve(param); | |
}, 100); | |
}); | |
}; | |
var func4 = function(param) { | |
console.log('ok4'); | |
return _promise3(param); | |
} | |
var param = true; | |
_promise1(param) | |
.then(function (param) { | |
if (param) { | |
return _promise2(param) | |
} return func4(param) | |
}).then(function() { | |
console.log('ok5') | |
}); | |
// param === true | |
// Result | |
// ok1 | |
// ok2 | |
// ok5 | |
// param === false | |
// Result | |
// ok1 | |
// ok4 | |
// ok3 | |
// ok5 |
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