Created
April 10, 2019 18:30
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[js-snips] JS Snippets
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| // Care of https://dev.to/healeycodes/javascript-one-liners-that-make-me-excited-56aj?utm_source=Newsletter+Subscribers&utm_campaign=4964317d7c-EMAIL_CAMPAIGN_2019_04_01_11_04&utm_medium=email&utm_term=0_d8f11d5d1e-4964317d7c-154942693 | |
| // Create an array of the past seven days, inclusive | |
| [...Array(7).keys()].map(days => new Date(Date.now() - 86400000 * days)); | |
| // Generate a random alphanumerical string of length 11 | |
| Math.random().toString(36).substring(2); | |
| // $=_=>`$=${$};$()`;$() | |
| $=_=>`$=${$};$()`;$() | |
| // eval(I="'eval(I='+JSON.stringify(I)+')'") | |
| eval(I="'eval(I='+JSON.stringify(I)+')'") | |
| // For those who like their quines via alert | |
| // (function a(){alert("("+a+")()")})() | |
| (function a(){alert("("+a+")()")})() | |
| // Generate a random alphanumerical string of length 11 | |
| Math.random().toString(36).substring(2); | |
| // $=_=>`$=${$};$()`;$() | |
| $=_=>`$=${$};$()`;$() | |
| // eval(I="'eval(I='+JSON.stringify(I)+')'") | |
| eval(I="'eval(I='+JSON.stringify(I)+')'") | |
| // For those who like their quines via alert | |
| // (function a(){alert("("+a+")()")})() | |
| (function a(){alert("("+a+")()")})() | |
| // Set the current page's query parameters to `q` | |
| q={};location.search.replace(/([^?&=]+)=([^&]+)/g,(_,k,v)=>q[k]=v);q; | |
| // Quick Clock | |
| <body onload="setInterval(()=>document.body.innerHTML=new Date().toGMTString().slice(17,25))"></body> | |
| // Return a shuffled copy of an Array-like | |
| (arr) => arr.slice().sort(() => Math.random() - 0.5) | |
| // Generate a random hex code such as `#c618b2` | |
| '#' + Math.floor(Math.random() * 0xffffff).toString(16).padEnd(6, '0'); | |
| // https://blog.codinghorror.com/why-cant-programmers-program/ oneliner solution | |
| for(i=0;++i<101;console.log(i%5?f||i:f+'Buzz'))f=i%3?'':'Fizz' | |
| // Remove duplicates from the iterable `arr` | |
| [...new Set(arr)] | |
| // Return a ***3D*** ASCII keyboard as string (in the least amount of code possible) | |
| (_=>[..."`1234567890-=~~QWERTYUIOP[]\\~ASDFGHJKL;'~~ZXCVBNM,./~"].map(x=>(o+=`/${b='_'.repeat(w=x<y?2:' 667699'[x=["BS","TAB","CAPS","ENTER"][p++]||'SHIFT',p])}\\|`,m+=y+(x+' ').slice(0,w)+y+y,n+=y+b+y+y,l+=' __'+b)[73]&&(k.push(l,m,n,o),l='',m=n=o=y),m=n=o=y='|',p=l=k=[])&&k.join` | |
| `)() |
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