mirror of
https://github.com/flynx/Course-JavaScript.git
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165 lines
3.2 KiB
HTML
Executable File
165 lines
3.2 KiB
HTML
Executable File
<html>
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<style>
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#bootstrap {
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display: none;
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}
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#bootstrap[shown] {
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display: block;
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}
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.command {
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padding-left: 5px;
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padding-right: 5px;
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}
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.command:hover {
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background: #eee;
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cursor: hand;
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}
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.command:empty:after {
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content: "input code here...";
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opacity: 0.5;
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}
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.command:focus:before {
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position: absolute;
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content: "ctrl+enter to run";
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opacity: 0.3;
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right: 15px;
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}
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.command:focus:after {
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opacity: 0.2;
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}
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.error {
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color: red;
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font-style: italic;
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}
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.output {
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font-weight: bold;
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}
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.error:before,
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.output:before {
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content: ">";
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color: red;
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font-weight: bold;
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margin: 5px;
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}
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.output:before {
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color: blue;
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}
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#stack {
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opacity: 0.8;
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}
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</style>
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<script src="slang.js"></script>
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<script>
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function runCommand(){
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var stack = document.getElementById('stack')
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var console = document.getElementById('console')
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var commands = document.getElementsByClassName('command')
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var command = commands[commands.length-1]
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command.removeAttribute('contenteditable')
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command.addEventListener('click', function(e){
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var commands = document.getElementsByClassName('command')
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var c = commands[commands.length-1]
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c.innerText = command.innerText
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c.focus()
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}, false)
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try{
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stack.innerText = 'stack: ' + slang(command.innerText)
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} catch(e) {
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stack.innerText = 'stack: ' + CONTEXT.stack
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var err = document.createElement('div')
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err.classList.add('error')
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if(e.message != null){
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err.innerText = e.message
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} else {
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err.innerText = e
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}
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console.appendChild(err)
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}
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// create the next element...
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var next = document.createElement('div')
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next.classList.add('command')
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next.setAttribute('contenteditable', true)
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console.appendChild(next)
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next.focus()
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}
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NAMESPACE.print = function(context){
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var c = document.getElementById('console')
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var o = context.stack[context.stack.length-1]
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console.log('>>>', o)
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var data = document.createElement('div')
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data.classList.add('output')
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data.innerHTML = o
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c.appendChild(data)
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}
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// XXX should this break exec?
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NAMESPACE.err = function(context){
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var c = document.getElementById('console')
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var e = context.stack[context.stack.length-1]
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console.error('>>>', e)
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var err = document.createElement('div')
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err.classList.add('error')
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if(e.message != null){
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err.innerText = e.message
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} else {
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err.innerText = e
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}
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c.appendChild(err)
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}
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function toggleBootstrapCode(){
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var bootstrap = document.getElementById('bootstrap')
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if(bootstrap.hasAttribute('shown')){
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bootstrap.removeAttribute('shown')
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} else {
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bootstrap.setAttribute('shown')
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}
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}
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</script>
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<body>
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<h1>Slang</h1>
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<a href="#" onclick="toggleBootstrapCode()">Toggle bootstrap code view...</a>
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<div id="bootstrap"></div>
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<h2>Slang Console</h2>
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<div id="console">
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<div class="command" contenteditable="true"></div>
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</div>
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<div id="stack"></div>
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</body>
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<script>
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document.getElementById('bootstrap').innerHTML='<pre>'+BOOTSTRAP
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.replace(/&/g, '&')
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.replace(/>/g, '>')
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.replace(/</g, '<')+'</pre>'
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document.getElementById('console')
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.addEventListener("keyup", function(e) {
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if(e.keyCode == 13 && e.ctrlKey){
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runCommand()
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}
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}, false);
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</script>
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</html>
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