{"version":"1.0","provider_name":"Kodlar\u0131n Gizemli D\u00fcnyas\u0131","provider_url":"https:\/\/fatihsoysal.com\/blog","author_name":"Fatih Soysal","author_url":"https:\/\/fatihsoysal.com\/blog\/author\/fatihsoysal\/","title":"JavaScript'te De\u011fi\u015fken Eri\u015fimi Anlamak: Kapsam, Kald\u0131rma ve Kapan\u0131mlar","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"xF6gA7hgLQ\"><a href=\"https:\/\/fatihsoysal.com\/blog\/javascriptte-degisken-erisimi-anlamak-kapsam-kaldirma-ve-kapanimlar\/\">JavaScript&#8217;te De\u011fi\u015fken Eri\u015fimi Anlamak: Kapsam, Kald\u0131rma ve Kapan\u0131mlar<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/fatihsoysal.com\/blog\/javascriptte-degisken-erisimi-anlamak-kapsam-kaldirma-ve-kapanimlar\/embed\/#?secret=xF6gA7hgLQ\" width=\"600\" height=\"338\" title=\"&#8220;JavaScript&#8217;te De\u011fi\u015fken Eri\u015fimi Anlamak: Kapsam, Kald\u0131rma ve Kapan\u0131mlar&#8221; &#8212; Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" data-secret=\"xF6gA7hgLQ\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","description":"JavaScript'te de\u011fi\u015fken eri\u015fimi, kodunuzun nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 anlamak i\u00e7in \u00f6nemlidir. Kapsam, de\u011fi\u015fkenlerin eri\u015filebilir oldu\u011fu b\u00f6lgeleri tan\u0131mlar, kald\u0131rma ise de\u011fi\u015fken beyanlar\u0131n\u0131n nas\u0131l i\u015flendi\u011fini etkiler ve kapan\u0131mlar, i\u00e7 i\u00e7e ge\u00e7mi\u015f fonksiyonlar arac\u0131l\u0131\u011f\u0131yla de\u011fi\u015fkenlere eri\u015fimin nas\u0131l sa\u011fland\u0131\u011f\u0131n\u0131 g\u00f6sterir. Bu makale, JavaScript'te de\u011fi\u015fken eri\u015fiminin temel kavramlar\u0131n\u0131 a\u00e7\u0131klayarak, kodunuzun \u00e7al\u0131\u015fma mekanizmas\u0131n\u0131 daha iyi anlaman\u0131za yard\u0131mc\u0131 olmay\u0131 ama\u00e7lamaktad\u0131r."}