聚沙
event.stopPropagation();
阻止当前事件的进一步冒泡行为。
preventDefault 是另外一个相关的方法,它可以阻止事件触发后默认动作的发生。
几种 css 箭头
1
1
2
3
4
5
6
7
8
9
| .arrow-right {
width: .4rem;
height: .4rem;
border: none;
border-right: .1rem solid #b5b9bb;
border-top: .1rem solid #b5b9bb;
transform: rotate(45deg) translate(0);
-webkit-transform: rotate(45deg) translate(0);
}
|
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
| .arrow-bottom {
position: absolute;
left: 14px;
bottom: -7px;
width: 0;
height: 0;
border-left: 5px solid transparent;
border-right: 5px solid transparent;
border-top: 7px solid #ABABAB;
}
.arrow-bottom:after {
content: ' ';
position: absolute;
height: 0;
border-left: 4px solid transparent;
border-right: 4px solid transparent;
border-top: 6px solid #fff;
left: -4px;
top: -7px;
}
|
向左
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
| .arrow-left {
position: absolute;
right: auto;
top: 14px;
left: -7px;
width: 0;
height: 0;
border-top: 5px solid transparent;
border-bottom: 5px solid transparent;
border-right: 7px solid #ABABAB;
}
.arrow-left:after {
content: ' ';
position: absolute;
height: 0;
border-top: 4px solid transparent;
border-bottom: 4px solid transparent;
border-right: 6px solid #fff;
top: -4px;
right: -7px;
}
|
3
http://www.cssarrowplease.com/
问题
git crash
1
2
3
4
5
| fatal: Unable to create '/Users/<user>/<project>/.git/index.lock': File exists.
If no other git process is currently running, this probably means a
git process crashed in this repository earlier. Make sure no other git
process is running and remove the file manually to continue.
|
删掉就好