function waitFor(testFx, onReady, timeOutMillis) { var maxtimeOutMillis = timeOutMillis ? timeOutMillis : 120000, //< Default Max Timout is 3m start = new Date().getTime(), condition = false, interval = setInterval(function() { if ( (new Date().getTime() - start < maxtimeOutMillis) && !condition ) { // If not time-out yet and condition not yet fulfilled condition = (typeof(testFx) === "string" ? eval(testFx) : testFx()); //< defensive code } else { if(!condition) { // If condition still not fulfilled (timeout but condition is 'false') // console.log("'waitFor()' timeout"); phantom.exit(1); } else { // Condition fulfilled (timeout and/or condition is 'true') // console.log("'waitFor()' finished in " + (new Date().getTime() - start) + "ms."); typeof(onReady) === "string" ? eval(onReady) : onReady(); //< Do what it's supposed to do once the condition is fulfilled clearInterval(interval); //< Stop this interval } } }, 5000); //< repeat 5000ms };
转载于:https://www.cnblogs.com/c-x-a/p/7263741.html
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