soql-query-in-javascript-example/

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#html #javascript #nodejs

How to Save HTML Form Data in JSON - Express

<form action="/new" method="post">
 
  <input name="title" type="text">
  <input name="description" type="text">
  <button type="submit">Submit Form</button>
 
</form>

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#javascript

Get URL and URL Parts in JavaScript

var newURL = window.location.protocol + "//" + window.location.host + "/" + window.location.pathname + window.location.search

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			//Add function here
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    }

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Replace Textarea with Codemirror editor

<link rel="stylesheet" type="text/css" href="plugin/codemirror/lib/codemirror.css">

<body>
	<textarea class="codemirror-textarea"></textarea>
</body>

<script>

$(document).ready(function(){
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});

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<script type="text/javascript" src="plugin/codemirror/lib/codemirror.js"></script>

#javascript #nodejs #commandline

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npm install heroku-ssl-redirect

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Save to MongoDB without Duplicates Using Mongoose

var mongoose = require('mongoose');
var Schema = mongoose.Schema;

const exampleSchema = new Schema({
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    content: [{type: String}]
});


var Example = mongoose.model('Example', exampleSchema);
module.exports = Example;

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#html #javascript #jsfunctions #dom #dommanipulation

getAttribute() - how to get the value of any attribute of HTML element

<html>

<input id="contact" name="address">

<script>

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</script>

</html>

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function full_stack_developer() {
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#javascript #javascript #functions #parameters

Required Parameters for Functions in JavaScript

 const isRequired = () => { throw new Error('param is required'); };

const hello = (name = isRequired()) => { console.log(`hello ${name}`) };

// These will throw errors
hello();
hello(undefined);

// These will not
hello(null);
hello('David');
The idea here is that it uses default parameters, like how the b parameter here has a default if you don’t send it anything:
function multiply(a, b = 1) {
  return a * b;
}

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if (navigator.webdriver) {
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Copy Text to Clipboard with Line Breaks

function copyToClipboard(){

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    var emptyArea = document.createElement('TEXTAREA');
    emptyArea.innerHTML = codeToBeCopied;
    const parentElement = document.getElementById('post-title');
    parentElement.appendChild(emptyArea);

    emptyArea.select();
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    parentElement.removeChild(emptyArea);
    M.toast({html: 'Code copied to clipboard'})

    }

#javascript #promises #howto

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var url = "http://scratch99.com/web-development/javascript/";
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Mapping an Object

const object1 = {
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};

for (let [key, value] of Object.entries(object1)) {
  console.log(`${key}: ${value}`);
}

#javascript #jquery

jQuery.post() - AJAX for post requests

$.ajax({
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  dataType: dataType
});

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async function fun() {
  return fetch('https://jsonplaceholder.typicode.com/todos/1').then(res => res.json());
}

const data  = await fun();

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