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JavaScript DOM EventListener JavaScript DOM EventListener Top News ≡ Vanish End Syntax element.addEventListener(event, function, useCapture); The first parameter is the type of the event (like "click" NOT "onclick") document.getElementById("alertShow").addEventListener("click", function(){alert("Hello!")}); //↕ same function document.getElementById("alertShow").addEventListener("click", fAlert); function fAlert() { alert("Hello!"); } hello show up color picker ↕ &ampx2195;(Hex) ↕ &amp#8597;(Dec) HTML unicode UTF-8 Bubbling: useCapure: false(default) ↑ paragraph First, then division Capturing: useCapure: true ↑ division First, then paragraph useCapture: true だと 外側から優先 <div> → <p> defalt: false だと 内側から優先 <p> → <div> propagation 繁殖 伝播 遺伝 普及 伝達 //useCaptu

UTF-8 Character Character set A &#65; means "A" a &#97; means "a" UTF-8 range decimal 0-127 the character set is the same as the ASCII ( American Standard Code for Information Interchange ) click and copy copied #127 means delete. If you want : write &# ; Arrow ↓ reference range 8592-8703 Currency reference range 8352-8399 Symbol reference range 9728-9983 reference range 128-255 Latin Extended-A range 256-383 Latin Extended-B range 384-591 Spacing Modifiers range 688-767 Diacritical Marks range 768-879 Greek and Coptic range 880-1023 Cyrillic Basic range 1024-1279 Cyrillic Supplement range 1280-1327 General Punctuation range 8192-8303 range 8192-8207 display space Letterlike Symbols range 8448-8527 Mathmatical Operators range 8704-8959 Box Drawings range 9472-9599 Block Elements ran