{"componentChunkName":"component---src-templates-blog-list-blog-list-js","path":"/page/3","result":{"data":{"allMarkdownRemark":{"edges":[{"node":{"fields":{"slug":"how-to-check-if-a-key-exists-in-a-javascript-object","dateSlug":"2020-07-27","postID":"how-to-check-if-a-key-exists-in-a-javascript-object-2020-07-27"},"frontmatter":{"category":"objects","date":"July 27, 2020","format":"image","tags":["javascript","es6","objects"],"title":"How to check if a key exists in a JavaScript object","image":{"childImageSharp":{"fluid":{"base64":"data:image/jpeg;base64,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","aspectRatio":1.5,"src":"/static/be279c7c72812cf79c0d5da3613c120f/3866d/how-to-check-if-a-key-exists-in-a-javascript-object.jpg","srcSet":"/static/be279c7c72812cf79c0d5da3613c120f/d1bff/how-to-check-if-a-key-exists-in-a-javascript-object.jpg 6w,\n/static/be279c7c72812cf79c0d5da3613c120f/3866d/how-to-check-if-a-key-exists-in-a-javascript-object.jpg 510w,\n/static/be279c7c72812cf79c0d5da3613c120f/f7bf2/how-to-check-if-a-key-exists-in-a-javascript-object.jpg 1920w","srcWebp":"/static/be279c7c72812cf79c0d5da3613c120f/47cfc/how-to-check-if-a-key-exists-in-a-javascript-object.webp","srcSetWebp":"/static/be279c7c72812cf79c0d5da3613c120f/ab631/how-to-check-if-a-key-exists-in-a-javascript-object.webp 6w,\n/static/be279c7c72812cf79c0d5da3613c120f/47cfc/how-to-check-if-a-key-exists-in-a-javascript-object.webp 510w,\n/static/be279c7c72812cf79c0d5da3613c120f/2532a/how-to-check-if-a-key-exists-in-a-javascript-object.webp 1920w","sizes":"(max-width: 510px) 100vw, 510px","presentationWidth":510,"presentationHeight":350}}}},"excerpt":"When working with objects, we may need to check if a certain key exists or has a certain value. Let’s say we have a dog object: And we want to validate whether or n…"}},{"node":{"fields":{"slug":"how-to-check-if-array-contains-duplicate-values","dateSlug":"2020-07-23","postID":"how-to-check-if-array-contains-duplicate-values-2020-07-23"},"frontmatter":{"category":"arrays","date":"July 23, 2020","format":"image","tags":["javascript","es6","arrays"],"title":"How to check if array contains duplicate values","image":{"childImageSharp":{"fluid":{"base64":"data:image/jpeg;base64,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","aspectRatio":1.5,"src":"/static/c1502065e4dff2cef2193214782d8f91/3866d/how-to-check-if-array-contains-duplicate-values.jpg","srcSet":"/static/c1502065e4dff2cef2193214782d8f91/d1bff/how-to-check-if-array-contains-duplicate-values.jpg 6w,\n/static/c1502065e4dff2cef2193214782d8f91/3866d/how-to-check-if-array-contains-duplicate-values.jpg 510w,\n/static/c1502065e4dff2cef2193214782d8f91/f7bf2/how-to-check-if-array-contains-duplicate-values.jpg 1920w","srcWebp":"/static/c1502065e4dff2cef2193214782d8f91/47cfc/how-to-check-if-array-contains-duplicate-values.webp","srcSetWebp":"/static/c1502065e4dff2cef2193214782d8f91/ab631/how-to-check-if-array-contains-duplicate-values.webp 6w,\n/static/c1502065e4dff2cef2193214782d8f91/47cfc/how-to-check-if-array-contains-duplicate-values.webp 510w,\n/static/c1502065e4dff2cef2193214782d8f91/2532a/how-to-check-if-array-contains-duplicate-values.webp 1920w","sizes":"(max-width: 510px) 100vw, 510px","presentationWidth":510,"presentationHeight":350}}}},"excerpt":"Knowing how to check for duplicates in an array can be useful in many different situations. Here are two ways to accomplish this: Combination of some() and indexOf(…"}},{"node":{"fields":{"slug":"how-to-combine-arrays-in-javascript","dateSlug":"2020-07-20","postID":"how-to-combine-arrays-in-javascript-2020-07-20"},"frontmatter":{"category":"arrays","date":"July 20, 2020","format":"image","tags":["javascript","es6","arrays"],"title":"How to combine arrays in JavaScript","image":{"childImageSharp":{"fluid":{"base64":"data:image/jpeg;base64,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","aspectRatio":1.5,"src":"/static/69e6f46f43fa76184037cb5a2a6d7205/3866d/how-to-combine-arrays-in-javascript.jpg","srcSet":"/static/69e6f46f43fa76184037cb5a2a6d7205/d1bff/how-to-combine-arrays-in-javascript.jpg 6w,\n/static/69e6f46f43fa76184037cb5a2a6d7205/3866d/how-to-combine-arrays-in-javascript.jpg 510w,\n/static/69e6f46f43fa76184037cb5a2a6d7205/f7bf2/how-to-combine-arrays-in-javascript.jpg 1920w","srcWebp":"/static/69e6f46f43fa76184037cb5a2a6d7205/47cfc/how-to-combine-arrays-in-javascript.webp","srcSetWebp":"/static/69e6f46f43fa76184037cb5a2a6d7205/ab631/how-to-combine-arrays-in-javascript.webp 6w,\n/static/69e6f46f43fa76184037cb5a2a6d7205/47cfc/how-to-combine-arrays-in-javascript.webp 510w,\n/static/69e6f46f43fa76184037cb5a2a6d7205/2532a/how-to-combine-arrays-in-javascript.webp 1920w","sizes":"(max-width: 510px) 100vw, 510px","presentationWidth":510,"presentationHeight":350}}}},"excerpt":"Let's go over a few ways to combine arrays in Javascript! Concatenate We have two arrays, an array of numbers and an array of colors. We can use [].concat syntax to…"}},{"node":{"fields":{"slug":"how-to-use-async-await-in-loops","dateSlug":"2020-07-16","postID":"how-to-use-async-await-in-loops-2020-07-16"},"frontmatter":{"category":"loops","date":"July 16, 2020","format":"image","tags":["javascript","es6","asynchronous","loops"],"title":"How to use async await in loops","image":{"childImageSharp":{"fluid":{"base64":"data:image/jpeg;base64,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","aspectRatio":1.5,"src":"/static/c9d830e2fa4303b3b97f44cfc3b1058d/3866d/how-to-use-async-await-in-loops.jpg","srcSet":"/static/c9d830e2fa4303b3b97f44cfc3b1058d/d1bff/how-to-use-async-await-in-loops.jpg 6w,\n/static/c9d830e2fa4303b3b97f44cfc3b1058d/3866d/how-to-use-async-await-in-loops.jpg 510w,\n/static/c9d830e2fa4303b3b97f44cfc3b1058d/f7bf2/how-to-use-async-await-in-loops.jpg 1920w","srcWebp":"/static/c9d830e2fa4303b3b97f44cfc3b1058d/47cfc/how-to-use-async-await-in-loops.webp","srcSetWebp":"/static/c9d830e2fa4303b3b97f44cfc3b1058d/ab631/how-to-use-async-await-in-loops.webp 6w,\n/static/c9d830e2fa4303b3b97f44cfc3b1058d/47cfc/how-to-use-async-await-in-loops.webp 510w,\n/static/c9d830e2fa4303b3b97f44cfc3b1058d/2532a/how-to-use-async-await-in-loops.webp 1920w","sizes":"(max-width: 510px) 100vw, 510px","presentationWidth":510,"presentationHeight":350}}}},"excerpt":"As developers, we frequently find ourselves needing to perform certain asynchronous tasks. What if we want to do this in a loop? Let's dive into a few examples of c…"}}]}},"pageContext":{"limit":4,"skip":8,"currentPage":3,"numberOfPages":3}},"staticQueryHashes":["1112540427","1408454471","2128954438","2347443422","2404490943","2661970575","2932265586","3904292974","399170485","648301173","850277546"]}