flex item default All In One

flex item default 初始值 === flex: 0 1 auto;

flex-grow

Initial: 0
omitted： 1

flex-shrink

Initial: 1
omitted： 1

flex-basis

Initial: auto
omitted： 0

https://drafts.csswg.org/css-flexbox-1/#propdef-flex


/* flex container */

.flex-container {
  background: #ccc;
  border: 1px solid orange;
  width: 80vw;
  height: 100px;
  margin: 10px auto;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
}


/* flex-item */

.flex-item {
  background: #fff;
  width: 200px;
  height: 80px;
  margin-top: 10px;
  border: 1px solid red;
  text-align: center;
}

.default {
  /* flex: 0 1 auto; */
}

.test {
  /* flex: 0 1 auto; */
  flex-grow: 0;
  flex-shrink: 1;
  flex-basis: auto;
}

MDN

https://developer.mozilla.org/zh-CN/docs/Web/CSS/flex

https://developer.mozilla.org/en-US/docs/Web/CSS/flex

/* 关键字值 */
flex: auto;
flex: initial;
flex: none;

/* 一个值, 无单位数字: flex-grow */
flex: 2;

/* 一个值, width/height: flex-basis */
flex: 10em;
flex: 30px;
flex: min-content;

/* 两个值: flex-grow | flex-basis */
flex: 1 30px;

/* 两个值: flex-grow | flex-shrink */
flex: 2 2;

/* 三个值: flex-grow | flex-shrink | flex-basis */
flex: 2 2 10%;

/*全局属性值 */
flex: inherit;
flex: initial;
flex: unset;