samzeng

[].forEach.call(document.querySelectorAll("*"),function(a){a.style.outline="1px solid #"+(~~(Math.random()*(1<<24))).toString(16)})

samzeng

.page--gray {
  filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
  -webkit-filter: grayscale(100%);
  -moz-filter: grayscale(100%);
  -ms-filter: grayscale(100%);
  -o-filter: grayscale(100%);
  filter: grayscale(100%);
  filter: gray;
}

samzeng

const puppeteer = require('puppeteer');

(async function() {

  const browser = await puppeteer.launch({ devtools: true });
  const page = await browser.newPage();

  // Login
  await page.goto('http://localhost:8080');
  await page.type('#login', 'username');

samzeng

new Vue({
  el: '#app',
  data: {
    window: { width: 0, height: 0 }
  },
  created() {
    window.addEventListener('resize', this.handleResize)
    this.handleResize();
  },
  destroyed() {

samzeng

(function () {
    var re = /x/;
    var i = 0;
    console.log(re);
    re.toString = function () {
        return alert('第 ' + (++i) + ' 次打开控制台');
    };
})();

samzeng

(function(){
    var element = document.createElement('div');
    element.className = 'adsbox';
    document.body.appendChild(element);

    window.setTimeout(function() {
        if (element.offsetHeight === 0) {
            document.body.classList.add('has-adblock');
        }
        element.remove();

samzeng

@charset "utf-8";
html {
    color: #000;
    background: #fff;
    overflow-y: scroll;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%
}
html * {
    outline: 0;

samzeng

PhpStrom

1. Default Settings -> Tools -> External Tools
2. Create Tool:
   1. Program: path\gvim.exe
   2. Parameters: +$LineNumber$ $FilePath$
3. Working directory: $FileDir$

samzeng

var keys = ['a', 'b', 'c'];
var values = ['1', '2', '3'];
var obj = {};
var objArr = [];

for (var i = 0; i < keys.length; i ++) {
    obj[keys[i]] = values[i];
}

objArr.push(obj);

samzeng

-server
-Xms2g
-Xmx2g
-Xss16m
-XX:+UseConcMarkSweepGC
-XX:+CMSParallelRemarkEnabled
-XX:ConcGCThreads=4
-XX:ReservedCodeCacheSize=128m
-XX:+AlwaysPreTouch
-XX:+TieredCompilation