Video: Keyup thiab Keydown yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
keyup (): Kev tshwm sim raug rho tawm haujlwm thaum tus yuam sij raug tso tawm ntawm cov keyboard. key nqis (): Kev tshwm sim raug rho tawm haujlwm thaum tus yuam sij raug nias ntawm cov keyboard. keypress:() Kev tshwm sim raug rho tawm haujlwm thaum tus yuam sij raug nias ntawm cov keyboard.
Tsis tas li ntawd, qhov txawv ntawm Keyup thiab Keydown yog dab tsi?
Cov key nqis qhov tshwm sim tshwm sim thaum tus yuam sij raug nias, ua raws li tam sim ntawd los ntawm qhov kev tshwm sim ntawm qhov keypress. Ces tus keyup kev tshwm sim yog generated thaum tus yuam sij raug tso tawm. Kom nkag siab qhov qhov sib txawv ntawm keydown thiab keypress, nws yog ib qho tseem ceeb rau paub qhov txawv ntawm cov cim thiab cov yuam sij.
Keydown () txhais li cas? Cov keydown() yog ib txoj hauv kev inbuilt hauv jQuery uas yog siv los ua qhov key nqis tshwm sim thaum twg tus neeg siv nias tus yuam sij ntawm cov keyboard. Yog tias tus yuam sij raug nias, qhov kev tshwm sim raug xa mus txhua zaus lub operating system rov ua tus yuam sij. Yog li, siv keydown() txoj kev peb tuaj yeem tshawb xyuas yog tias muaj ib qho tseem ceeb ntawm nws txoj hauv kev.
Hauv qhov no, Keyup thiab Keydown hauv selenium yog dab tsi?
keyDown (WebElement lub hom phiaj, CharSequence key): Ua ib qho kev hloov pauv hloov xovxwm tom qab tsom rau ib lub caij. keyUp (CharSequence key): Ua qhov hloov kho qhov tseem ceeb tso tawm. keyUp (WebElement lub hom phiaj, CharSequence key): Ua qhov hloov kho qhov tseem ceeb tso tawm tom qab tsom rau ib qho khoom.
Keyup txhais li cas?
Cov keyup qhov tshwm sim tshwm sim thaum tus yuam sij keyboard raug tso tawm. Cov keyup () txoj kev ua rau lub keyup kev tshwm sim, los yog txuas ib txoj haujlwm khiav thaum a keyup tshwm sim. Tswv yim: Siv qhov kev tshwm sim. yam khoom twg rov qab uas tus yuam sij raug nias.
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