what is the default for css if you do not specify line-height? Is it equal to font-size? Sometimes it feels like setting it manually to be the same as font-size is not the same as letting him not set it by default. ...
such as the question: "are there any alternatives to weapp s wxss selector > and *? " ...
how to cancel the scroll bar on the side ...
there is an H5 page in the URL below. Scan the QR code. the mobile phone preview on PC and Android is normal. The animation stops after playing, but it will play a series on the iphone and then disappear (such as the two rotating leaves on the first pa...
in the book written by ES6 Ruan Yifeng, there are several times the word "proposal ". I want to know what it means. Does it mean that ES6, which is not yet formal, is just something that someone may do after it is put forward? can the content be ignor...
in the current mobile phone APP, the content page can generally slide left and right, that is, the effect of the tab menu bar. When sliding left and right, the underline of the category menu above it can also slide left and right . but on the mobile s...
< H1 > js dynamically creates dom and adds the click method to pass real parameters to the method. One of the parameters is 17 digits, which changes to the method, and the last bit becomes zero < H1 >. has been tested many times and found that as long...