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function doSomething(msg){ return new Promise((resolve, reject) => { setTimeout( () => { try { throw new Error('bad error'); console.log(msg); resolve(); } catch(e) { reject(e); } }, 1000); }) } doSomething("1st Call") .then(() => doSomething("2nd Call")) .then(() => doSomething("3rd Call")) .catch(err => console.error(err.message));
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