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  • jun cheng wong
    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
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    1 Answer

  • Eduardo Osorio
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    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
    .a{fill-rule:evenodd;}techdegree seal-36
    Eduardo Osorio
    Full Stack JavaScript Techdegree Graduate 20,847 Points
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    1 Answer

  • Shung Chen
    Shung Chen
    6,526 Points

    Confusion in getting true elapsedTime

    Posted September 25, 2020 5:34pm by Shung Chen
    Shung Chen
    6,526 Points
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    0 Answers

  • Yanhan Liu
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    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
    .a{fill-rule:evenodd;}techdegree seal-36
    Yanhan Liu
    Front End Web Development Techdegree Graduate 16,389 Points
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    1 Answer

  • Begana Choi
    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
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    1 Answer

  • virus200
    virus200
    6,583 Points

    Interval/Timeout throttling for timer?

    Posted March 17, 2020 3:31pm by virus200
    virus200
    6,583 Points
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    0 Answers

  • onesoftwareengineer
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    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
    .a{fill-rule:evenodd;}techdegree seal-36
    onesoftwareengineer
    Full Stack JavaScript Techdegree Graduate 19,767 Points
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    1 Answer

  • Herman Morales
    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
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    0 Answers

  • Ankit Upadhyay
    Ankit Upadhyay
    556 Points

    Update the Stopwatch

    Posted August 13, 2019 1:49pm by Ankit Upadhyay
    Ankit Upadhyay
    556 Points
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    0 Answers

  • vamosrope14
    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
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    1 Answer

  • Luke Markham
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    .a{fill-rule:evenodd;}techdegree seal-36
    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
    .a{fill-rule:evenodd;}techdegree seal-36
    Luke Markham
    Front End Web Development Techdegree Graduate 17,289 Points
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    1 Answer

  • ewenearle
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    ewenearle
    Full Stack JavaScript Techdegree Graduate 18,744 Points

    setInterval() inside componentDidMount()

    Posted March 5, 2019 4:58pm by ewenearle
    .a{fill-rule:evenodd;}techdegree seal-36
    ewenearle
    Full Stack JavaScript Techdegree Graduate 18,744 Points
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    1 Answer

  • Brian Hoang
    Brian Hoang
    11,515 Points

    setState in handleStopwatch()

    Posted November 13, 2018 1:37pm by Brian Hoang
    Brian Hoang
    11,515 Points
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    1 Answer

  • Saud Tauqeer
    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
    • JavaScript
    • React Components (2018)
    • Stateful Components and Lifecycle Methods
    • Update the Stopwatch State with componentDidMount()

    2 Answers

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