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dev_tools.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Console Tricks!</title>
<style>
</style>
</head>
<body>
<p onClick="makeGreen()">×BREAK×DOWN×</p>
<script>
const dogs = [{ name: 'Snickers', age: 2 }, { name: 'hugo', age: 8 }];
function makeGreen() {
const p = document.querySelector('p');
p.style.color = '#BADA55';
p.style.fontSize = '50px';
}
// Regular
console.log('hello');
// Interpolated
console.log('hello I am a %s string!', '')
// Styled
console.log('%c I am some great text', 'font-size:50px; background:red; text-shadow: 2px 4px 3px rgba(0,0,0,0.3);');
// warning!
console.warn('OH NOOO');
// Error :|
console.error('SHit!');
// Info
console.info('Crocodiles eat 3-4 people per year');
// Testing
console.assert(1 === 2, 'That is wrong!');
// clearing
console.clear();
// Viewing DOM Elements
const p = document.querySelector('p');
console.log(p);
console.dir(p);
console.clear();
// Grouping together
dogs.forEach(dog => {
console.groupCollapsed(`${dog.name}`);
console.log(`This is ${dog.name}`);
console.log(`${dog.name} is ${dog.age} years old`);
console.log(`${dog.name} is ${dog.age *7} dog years old`);
console.groupEnd(`${dog.name}`);
})
// counting
console.count('Wes');
console.count('Wes');
console.count('Steve');
console.count('Steve');
console.count('Wes');
console.count('Wes');
console.count('Steve');
console.count('Steve');
// timing
console.time('fetching data');
fetch('https://api.github.com/users/wesbos')
.then(data => data.json())
.then(data => {
console.timeEnd('fetching data');
console.log(data);
});
console.table(dogs);
</script>
</body>
</html>