Commonly used codes in the previous paragraph

event

keyboard up

Bounce release: keyup Case press trigger: keypress 13 is the enter key

mouse event

  • Mouse click: click
  • Mouse over: mouseover
  • mouseout::mouseout
  • Get the mouse focus: focus
  • lose focus: blur
  • Mouse movement: mousemove
  • Mouse up: mouseup
  • Mouse down: mousedown
  • Triggered only when the content changes: change

cursor type

  • Xiaobai: default
  • small hand: pointer
  • move: move
  • Text: text Disallow: not-allowed

CSS

  • Wrap: flex-wrap: wrap
  • Form spacing clear: cellspacing="0"
  • Normal font weight: font-weight: normal;
  • The font is normal and not inclined: font-style: normal;
  • Remove underline: text-decoration: none
  • Add strikethrough: text-decoration: line-through;
  • Disable scaling: user-scalable=no
  • Set whether to wrap: flex-wrap: wrap; wrap: wrap; nowrap; no wrap
  • Set the main axis alignment: justify-content: space-around; left alignment: flex-start, right alignment: flex-end:; center: center; remaining space allocation: space-around; :space-between,
  • Set the side axis alignment: align-items:center;
  • Transparency: opacity
  • Background gradient: background: linear-gradient (to top to bottom left to right red 0%, red25%, red 50%, red 75%, red 100%)
  • Absolute positioning: position: absolute;
  • Relative positioning: position: relative;
  • Shadow properties: box-shadow: 0 0 0 2px #ccc;

JS

  • Intercept string: slice (intercept from that subscript)
  • Keep several decimal places: toFixed (reserve n decimal places)
  •  Add after the element: append()
  • Add in front of the element: prepend()
  • Convert to decimals: parseFloat()
  • Turn positive number: parseInt()
  • Interception: splice(index,many,items) parameter index -> the subscript of the item to be deleted parameter many -> the number to be deleted, 0 means not to delete the parameter items can be omitted -> add new items to the array
  • Get local time: new Date().toLocaleString()
  • Ternary operator: The expression (A) ? (B) : (C) evaluates to B when A evaluates to true and to C when A evaluates to false

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Origin blog.csdn.net/dyx001007/article/details/127656856