难度:★
var data = [
{
name: "Jamestown",
population: 2047,
temperatures: [-34, 67, 101, 87]
},
| { | |
| "type": "excalidraw", | |
| "version": 2, | |
| "source": "https://excalidraw.com", | |
| "elements": [ | |
| { | |
| "id": "GLjzTIoMqL_-gnEDgJVpG", | |
| "type": "rectangle", | |
| "x": 5766.416570108836, | |
| "y": -2700.9397569257158, |
| { | |
| "type": "excalidraw", | |
| "version": 2, | |
| "source": "https://github.com/zsviczian/obsidian-excalidraw-plugin/releases/tag/2.12.2", | |
| "elements": [ | |
| { | |
| "id": "xa_8W5YVBydoyZ_JhIb7J", | |
| "type": "rectangle", | |
| "x": -250.38674277905739, | |
| "y": -173.59524536132812, |
| //Help me to write a javascript function that download my investment data from a website. | |
| // What the function need to do is parse the HTML of the page and extract the investment data. | |
| // The description of the DOM structure: | |
| // the title row's select is .PositionList_listTitle, then the col name defined under the span in the class ListItemView_commonBox, need to ignore .ListItemView_detailExtra | |
| // the data row's select is ListItemView, but it is just a wrapper. the value of each cols is in .ListItemView_commonBox, but .ListItemView_commonBox may not | |
| // the direct child of the row, it may exists some nest structure. | |
| // If you find the .ListItemView_commonBox, then you can find the text in the span, but sometimes there are some nested spans. | |
| // let's me give you some example: |
| [ | |
| { | |
| "name": "Personal Email", | |
| "text": "[email protected]", | |
| "keyword": "@@" | |
| }, | |
| { | |
| "name": "Home Address", | |
| "text": "221B Baker St., London" | |
| }, |
| # Enable Powerlevel10k instant prompt. Should stay close to the top of ~/.zshrc. | |
| # Initialization code that may require console input (password prompts, [y/n] | |
| # confirmations, etc.) must go above this block; everything else may go below. | |
| if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then | |
| source "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" | |
| fi | |
| # If you come from bash you might have to change your $PATH. | |
| export PATH=$HOME/bin:/usr/local/bin:$PATH |
| console.group('output 🌿') | |
| queueMicrotask(() => { | |
| console.log('queueMicrotask') | |
| }); | |
| requestAnimationFrame(() => { | |
| console.log('requestAnimationFrame') | |
| }) |
| import { | |
| SyncHook, | |
| SyncBailHook, | |
| SyncWaterfallHook, | |
| SyncLoopHook, | |
| AsyncParallelHook, | |
| AsyncParallelBailHook, | |
| AsyncSeriesHook, | |
| AsyncSeriesBailHook, | |
| AsyncSeriesWaterfallHook, |
| function consoleSplit(description = '') { | |
| console.log('-'.repeat(25) + description + '-'.repeat(25)); | |
| } | |
| consoleSplit('Get, Set, Has, DeleteProperty') | |
| const p1 = { | |
| name: 'rio', | |
| age: 20, | |
| } |
| /** | |
| * html-to-rtf-browser not recognize height/style property of img tag | |
| * so, need add height/size to style property to avoid image lose rtf picture size. | |
| */ | |
| function attachDimensionStyleForImage(htmlString: string): string { | |
| try { | |
| const domParser = new DOMParser(); | |
| const doc = domParser.parseFromString(htmlString, "text/html"); | |
| const images = doc.getElementsByTagName("img"); | |
| for (let i = 0; i < images.length; i++) { |