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Alena Miadzvedskaya
6,386 Points
Can't stop the timer, it still ticks even after stop button was clicked

Posted October 12, 2021 8:41pm by Alena Miadzvedskaya

Alena Miadzvedskaya
6,386 Points
0 Answers
jun cheng wong
17,021 Points
Need further explaination

Posted June 5, 2021 6:53am by jun cheng wong

jun cheng wong
17,021 Points
1 Answer
jun cheng wong
17,021 Points
Using ternary for handleStopwatch

Posted June 5, 2021 5:27am by jun cheng wong

jun cheng wong
17,021 Points
0 Answers
Eduardo Osorio
Full Stack JavaScript Techdegree Graduate 20,847 Points
Why is he calling this.tick() inside set interval instead of just passing it as a callback ie: this.tick ?

Posted March 12, 2021 9:50pm by Eduardo Osorio

Eduardo Osorio
Full Stack JavaScript Techdegree Graduate 20,847 Points
1 Answer
PLUS

Nancy Melucci
Courses Plus Student 36,159 Points
handleReset breaks the program

Posted December 24, 2020 3:34pm by Nancy Melucci

Nancy Melucci
Courses Plus Student 36,159 Points
2 Answers
cloud712
7,616 Points
Silly question but why is the onClick attribute set to "this.handleStopwatch" and not "this.state.handleStopwatch"?

Posted November 27, 2020 7:29pm by cloud712

cloud712
7,616 Points
1 Answer
Shung Chen
6,526 Points
Confusion in getting true elapsedTime

Posted September 25, 2020 5:34pm by Shung Chen

Shung Chen
6,526 Points
0 Answers
Yanhan Liu
Front End Web Development Techdegree Graduate 16,389 Points
React | Why add () when using prevState in setState()?

Posted September 25, 2020 4:28pm by Yanhan Liu

Yanhan Liu
Front End Web Development Techdegree Graduate 16,389 Points
1 Answer
disheng wang
5,422 Points
Question about the arguments passing in to the setInterval method

Posted August 6, 2020 2:57am by disheng wang

disheng wang
5,422 Points
0 Answers
Elroyi Ben david
188 Points
transform this comppnante class to hooks...it dosent work why?

Posted July 15, 2020 10:17am by Elroyi Ben david

Elroyi Ben david
188 Points
0 Answers
PLUS

Begana Choi
Courses Plus Student 13,126 Points
why don't we use prevState in tick function for ( now - this.state.previousTime )?

Posted June 14, 2020 10:55am by Begana Choi

Begana Choi
Courses Plus Student 13,126 Points
1 Answer
virus200
6,583 Points
Interval/Timeout throttling for timer?

Posted March 17, 2020 3:31pm by virus200

virus200
6,583 Points
0 Answers
onesoftwareengineer
Full Stack JavaScript Techdegree Graduate 19,767 Points
Might the asynchronous setState() method be run before the next segment of synchronous code in some instances ?

Posted January 27, 2020 12:09pm by onesoftwareengineer

onesoftwareengineer
Full Stack JavaScript Techdegree Graduate 19,767 Points
1 Answer
Christopher Johnson
12,595 Points
How do I recreate the memory leak in the console prior to unmounting (as shown)?

Posted January 21, 2020 8:27pm by Christopher Johnson

Christopher Johnson
12,595 Points
0 Answers
Herman Morales
8,831 Points
Why did you use the this.intervalID instead a only a setInterval and where is the intervalID property? never wasdeclared

Posted November 6, 2019 1:58am by Herman Morales

Herman Morales
8,831 Points
0 Answers
Ankit Upadhyay
556 Points
Update the Stopwatch

Posted August 13, 2019 1:49pm by Ankit Upadhyay

Ankit Upadhyay
556 Points
0 Answers
vamosrope14
14,932 Points
Can someone please explain the concept behind elapsedTime and previousTime?

Posted August 13, 2019 1:17am by vamosrope14

vamosrope14
14,932 Points
1 Answer
Luke Markham
Front End Web Development Techdegree Graduate 17,289 Points
timer reset with first "console.log('starting')"

Posted June 22, 2019 2:07am by Luke Markham

Luke Markham
Front End Web Development Techdegree Graduate 17,289 Points
1 Answer
gerardo keys
14,292 Points
Am I understanding this correctly?

Posted June 14, 2019 12:50am by gerardo keys

gerardo keys
14,292 Points
0 Answers
PLUS

Unsubscribed User
Courses Plus Student 112 Points
Complete the code to add the method that will clear the interval ID once the component gets removed from the DOM.

Posted May 19, 2019 7:50pm by Unsubscribed User

Unsubscribed User
Courses Plus Student 112 Points
2 Answers
PLUS

Unsubscribed User
Courses Plus Student 112 Points
please fill correct answer , isLogIn state ?

Posted May 19, 2019 4:32pm by Unsubscribed User

Unsubscribed User
Courses Plus Student 112 Points
1 Answer
Ran Wang
Full Stack JavaScript Techdegree Graduate 32,191 Points
What is memory leak?

Posted March 24, 2019 3:37pm by Ran Wang

Ran Wang
Full Stack JavaScript Techdegree Graduate 32,191 Points
2 Answers
ewenearle
Full Stack JavaScript Techdegree Graduate 18,744 Points
setInterval() inside componentDidMount()

Posted March 5, 2019 4:58pm by ewenearle

ewenearle
Full Stack JavaScript Techdegree Graduate 18,744 Points
1 Answer
Janaka Bandara
1,329 Points
When you store seconds in a const, how come that value gets changed? Isn't const an immutable (for primitive) in ES2015?

Posted January 8, 2019 6:23am by Janaka Bandara

Janaka Bandara
1,329 Points
3 Answers
Brian Hoang
11,515 Points
setState in handleStopwatch()

Posted November 13, 2018 1:37pm by Brian Hoang

Brian Hoang
11,515 Points
1 Answer
Jose Morales-Mendizabal
19,175 Points
Why not call Tick() every 1000ms instead of doing the Math?

Posted November 6, 2018 5:40pm by Jose Morales-Mendizabal

Jose Morales-Mendizabal
19,175 Points
1 Answer
PLUS

Saud Tauqeer
Courses Plus Student 8,099 Points
Having trouble understanding logic.

Posted October 11, 2018 1:22am by Saud Tauqeer

Saud Tauqeer
Courses Plus Student 8,099 Points
2 Answers
Chris Holder
Full Stack JavaScript Techdegree Graduate 19,841 Points
Why don't we mutate prevState instead of this.state when we change the value of isRunning?

Posted October 10, 2018 1:44am by Chris Holder

Chris Holder
Full Stack JavaScript Techdegree Graduate 19,841 Points
1 Answer

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