Toptal Trending Topics: Most-read JavaScript Posts

Get insights from leading programmers that will help your engineering team execute with elegance. [View in browser](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pB5nKwBV3Zsc37CgX-6W3Kzc1n8L7yftW7hdSVY5xRggGW2jMGjj9gytWYN1D3dNDccyNlW7-qyWr7pHMG3W3F195H4mDWQVW7z_G_L8l2K5RW2d69dF4Qrgq9W1kmWD_6hFpm4W7_5QyX2Ysj-7N3y8fCPk4GNVW7hbD9D7L6TnSW42PxnX28hpSkW192N4H4bx8fKW8BjCZN1GDcBjW5sCNHS2gyj5qW516Dxg6twkXCW6RH6RS9d12qbW7HL0Zy6Z53VcN6Zl4kGgGQkRW1kdMhx80mK__Vk4_jC6SNH-lW5Bmc6d4y8w_pW3-fxSM4n1rqwW5tJ5NR6q9djVW3dScZt8V36dDW8KmmKS7rsQnlW7YR-Qk27tFckW11Q2mH9d6xSjW2fqqc57rBqGBW5sSgXN196_XJVKqdwP70zFRLW5w-8c24JBCHPW3dT2CW12dNSlW8lbb_b3V6VqSW3rGCGT6vm16kW3YCVwr6Y0s4gW8KG4Pc7R0xr7W3qcvgn3nPMDNW7dPyZW7JtvC3W4vG-fL7-kg8yW3lbTsl9hL8Y739bd1) [Toptal Engineering Roundup](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4n_3q8_QV1-WJV7CgSHYN3XS5PV72MPkW2rxL6d8SvpqkW4flhFN3vPfwxW2Yqg1q3PKJ1hW4j8bsD4TK6RGN4tpJWYJJ3KrW4lXtyc6x7LYTW17b2rJ2Fy0fSW1nn15Z2Lk-g0W784DHr6BMKWZW179SJl53RkLpW4ZdjHx2ccD9zW7ffwl51j1S9CN8y6vwKJ5D74W1pN6rB9cK3K6MYhT05BSm5mN8D3kLcmBWzZW6g3s491xvhM1V59SdN7_4zrzW3g9bS-95M8M0W3h59l28nXvtxW1xGcHp5SJz_J35m51) 4 Trending Tutorials From JavaScript Experts JavaScript may seem quite simple, but the best engineers know it’s a nuanced tool that is constantly evolving. That’s why we’re sharing four of the most-read articles written by Toptal JavaScript experts. [The 10 Most Common JavaScript Issues Developers Face](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pV3q90JV1-WJV7CgVNGVz20LM2YGQD2W9jhCCd849_7gW97511f8zjCWRW8J7tJf1jfSQQW4gvqZm22tGTyW8FjDG76lV6fmMRQYTsH5CWtW7J2sHz6FTnJvW2K4Hm174bX9KW5wvnVL1LPMcGW4SCkHm3RYjb7W27nWbG7fP_DGW6cnnMY25C40MW8BW_tD4wQSh9W7cqz7J70Jc2PW3kt8Fg1jS8KqVW735L8Rpvp1V5fjJp15j1gpW5n-gbZ2Vh--2W8pWYy-5SFd_pW2kFDZc5v9_BLW8ghymY2Mg5PmW8bng6k86v8fRW7x08Md4c7l8bMfnWy5vgM12W88N3q31GyVGFW3cmvk71ZmtfKW2dGD_-4NXnBC31KY1) First up: Learn to avoid 10 pitfalls that make JavaScript misbehave. [Avoid the Pitfalls](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pV3q90JV1-WJV7CgRPjW5hzVQm4DHkC-W3TzMDr41v_2NW3LV15V8_HPdrW8XlZkR7Mq1v2W26Xgdk3X1kFkW7h4RfY1snwM7VBbMdm8g4-v6V7F4sR4LnqyGW5bPfmW4V-Zy5W5KG5cw6M82S2W6q8mys94w7qzW5Rlwx08gbR4hW8_0nT72MvdhjW5cB8Qp8B4jN-N22xSjp8vylKVwwjlR2-BrMYW2DV0bn2KCXTyW8lWGK528RYg5W24_wD91xxFRcW6lb7kP5lrgT9W9cQS819jfM47W7j3--l9k96lZW4_V1rp1JMQS3W6rRW0X8gTRSCW29NtfM14dQ8NW8ThG7c3sg2LyW8mcq0088tKn-W8BgrgM2nYQ7H3qrc1) [TypeScript vs. JavaScript](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pV3q90JV1-WJV7CgZVfW4yv-vG8lSBQ7W2YTbhn2yHZlRW4yH32Q7x8dSbW1X18cG435LCsMxRCGQgrFNKN53dvpVRSKqrN2ZLV_7k8z1HV4xgvT7l7fV7W1tRH_P3hQlHzW6T5Zq0820XKBW2hQ5Jn3wc8PJW94QJbh10831MW2Dkr173XMQc4W12Cczx43YSQnW7F-nJ-9hbg1cW4PdnXx6zSzr7N4dnLQNQTV7zW1lNCPJ5BHzX8W82f_5d2t7hWvW1WyByv3JB7VXW3RLTyk5smtGCW1F1CkC1Qxvv-W34GWvd4mfFMWW8g2t7z3p1TMkW2jsjbP4sspzCMylZ6zpqmTgW8DgFrc6M-XhyW2Fw2D43_tDc233w81) [TypeScript vs. JavaScript: Your Go-to Guide](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pV3q90JV1-WJV7CgF6TW5VgHnf1b9qRTW5g7clS672t7ZW8vz2WC6_WBnyW4fY1035b0c86W5ptHKw5nCx3MW39M2HX97DXfNVWKRTF3kCtYFW90WhWF5KbDbSW8cl1C6446fRZVVySkh87Rbt0W639b5V1GJ7TXW2WXR6v2BpNjJW119rtH6hJx10W2v3jqH3r-CVvN8MpjGG4zfy5W4Yd-Fb5VBMGxW8TSdFq5Y4ncdW2g3fGl3n9fd-VBY2Ks2RF4sLV7qjqd50KVWBW3fx_6C3k0XFtV5Tkpq7Wc4TGV6X3-b3k7CmBW2M-rX775JwdhN8ySn31nzl1VVDQ3f61KCljsW6h4FQ-2JhYQqN8LCcCHSbfNb3hh31) Scale your project with the unrivaled support, flexibility, and enhancements of TypeScript. (And significantly improve the developer experience too.) [Read More](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pV3q90JV1-WJV7CgZwJW7Yx2t298gLRSW8XQMJF5Pf8cwW4sQWb22HxfQrW3Ph9bS1yv0zTW8bDLRw5SnpkGW9dkBXY7WLMh8W69RX624BBHX1W14bxgG3wwTwzW4RKDC392dXFgW85MFPN7LFpZXW5T9tT72zZ1vXW4RRxy86j17YTW1Kx3qh735Vk9W8zJ_RR2LW_R2W2SXwdv47k_XPW9grCgw653H44N7vZqGmmJrN2W56XM8k1CQCYHW4G869k4Rh8xSW7tVRVC3q5VVXVh6CzD3NTXcjW46Wwtv7ptrZNW3TtrJt1g_TQbW7dh5t81YYmLqW689_b-1kQ6KjW1FDhYj2vsq_WW8R1Zt555DxCRVp4Bsc7Z36_-35dM1) [Creating a Secure REST API in Node.js](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pB3q90pV1-WJV7CgYqCW4-71pc8CtJJDW51fn_07r7PD3W8vL8CH7MMlSgW61fMc01__17rW4w5WD-7ZhLnXW3gHRrn5Z53M0N77Mf7Qr9Mr6W5wMzdH2nsrsqW5vzVfb5NpqdlW7l967P5QPhnQW5_BpBp8hdptlW3tybkl2lZCxsVtB-Jw7hjY44W58vtx02syjfXW2Y8DY45XfljRW47fk8b3Z289jW8NHQT33ypQGrW4sFSQ03LxSPJMjwVNwVnJXFW4nMhXD4fFsT_N2WGx2_zFR0FV9v2FW4Y4_YZW3kplyG2sYSPNW5W51JS2dVgvGVkbvnt5r41wcN7pGnDP6ndw63clB1) [Creating a Secure REST API in Node.js](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pB3q90pV1-WJV7CgZk2W6GKxds5k6jzqW6DfrWy4k_2-RW93pK313sdRr8W4C9mCH48h_S8W645_MN2mNg4VW25C1BG2mtw9NVxy4HW1c9ywNW5LJh3c280rvXN8rVKkwZjvfXW768QCB941cqGW66K0pm2vq6MRW8nWzWX8cTfMWW3ysPHx7MsNRsW6R8Zm_6QD9YrW6-qRBH420-CfVvJ7c02dMKgpW1vCPXz8RG_RSW7skzdp9g3J0QW927SwL5_9NwkW2NjPqk4LpBDJN940mcnzCdSGW6bGTB75yddw9W4MMPdT5vHQt2W5w-lsm5K6MCtW5qsMsB8Tg9k1N50FpkVLssx0347t1) REST APIs are so useful and ubiquitous that every web developer should know how to build them. Create one in Node.js with this tutorial. [Discover How](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pB3q90pV1-WJV7CgHVQW60gGlG39pfbJVcM3k84Gln1WW6HcQWW4g-lSJW26tSWx60GwRlW64YfBZ1x08HWW25sw1W5VGKd3W8tLwV64CwpJtW45bCVH5CY7t_W1VM3H53S1yqpW1-JZd458fjNKW6LyyMg8sxSTlVPZFpt8RpyslW8Gmh-01GGkMnW6bFgdJ30SBL4W1sPdMX5j2Y4lW7mh2N77FF-7fW6_b3b73Fbjg-W7wlr1m7LQV-4W9gByCG4BV7JRN8bqwK59Pmc2W1776V1921GxLW4KZ-Zl86_PnlW78f9PN3zxWzLW3WPPzw5xLGwMW2VNQdx4jGL8MW66wjgj7VQ06q3jkF1) [Using Express.js Routes for Promise-based Error Handling](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pV3q90JV1-WJV7CgS1-V4zLj91XMsFkW3JJWRJ2Cs6yvW5WNvnB4KS79nW5fcnC060W4MjW8YdT8b5Z8dPxW7Szt8g12xHkLW7ffQZQ4QLCKyW7-2kyr6kwRLmN8zpQZkzxK3VW8PhQrr5C82pHW4Z1Xkp4m4Y84W1dr_1v7Zxm1WW8bNkXF84DvqTW1rsM-h49B433W6NK82r3yFqcHW3NW4jm3qQSZ3W6T_lJz83RPHHW4Cx4hl24HCnbW3lYV163fjyWYW62tQBM4Y086YW3h7GGQ5GfSXyVC1lVv8Q1PXXVBfT4019Nd0hW7QBJc63kP1pcW3S1vKK8FwgqZW8YpcqF20MRhHN2kxN8F6fgLyVRv6ML4N5NNJ3dp21) [Using Express.js Routes for Promise-based Error Handling](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pV3q90JV1-WJV7CgM87VdVbTs5P3sPTW4cYkRR5MT3T_VrJHYV8GDkP7W4L5zWP7591rYW37QQx-3W5BVqW1DwPf_3kV1HWW2j0BTd2hqp6TW4BC4Ms3jNRVJN64JMKHdhq2PW1cKd7x7m6YQ-W5CYckd5CNC32W2n7bd16Sn6HcW9lrCDd93v2cCW1vf-6k1r8RcXW7N_RcQ6zSpXhN82HXmQH7SnMW5719tS16qJfZN5Y4yngtwMVVV6trhg6kzs1jW5Y11SM5gZ3-cW8LXM1N7tQDVlMXJpG6_2PsWW1jryMn6wkFk7W77dd3N7RY422W36-0Ld3vWd-3TMp_d47rMJGVgKmT-7x4sLcW5zLw_C2nv38X38y-1) Express.js doesn’t support promise-based route handlers by default—often leading to workarounds that create technical debt. Try this technique instead. [Get Started](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4pV3q90JV1-WJV7CgXH6W3_XqK695gl7FW26bpC14j3fPJW7Nyr404glJZXW2Lm5Hc85Wx6JW8tvDpL52WybgN2RlskX4BtzlW2Wdgy_5sr-KxW1ZHJrX33RZs1W3JvM8G2_g9J2W5fH94B2LKs2NN5tSsqJCjGRZW5D-6wf52WXtdN5FBvqDx3yl8W5cB1v_7xjl38W4CRy2s51bBgmW7HzHkJ6sLmyVVY359Y6ZQ_9dN4-ksB4syqmkVM1wvj6654PbW2z2PlR4j0m2_W4Mv7Jd56tYnfW5fvq_z7Jp6f3W2YRrXn1S3YSNW390zn24P2PB3W4H9qlN8-9TNlW1WXT1P2y_kMvW5zMz186Z5nzDW333GfK9cy1bp3dHN1) About the Newsletter Top experts on topics that matter. A curated selection of some of Toptal’s most popular engineering articles and tutorials, centered around a timely new theme each month. Did you enjoy this newsletter? Share [this email](mailto:?subject=Hey,%20I%20thought%20this%20might%20interest%20you&body=Check%20out%20 with a colleague or friend. Was this forwarded to you? Get more trending topics and solutions from Toptal engineers every month. [Sign up here](113/ckPbs04/VWLKqh8c_HpKW5kqRKc272t7WW35KrPN4XVjlHMXl4ph3q905V1-WJV7CgH65VnqB9D5ctzQ5W7WN5jV582lGgW2gdC4b8wqQyJW8zSZWL2NGcbbW3gNXrH4m6PQQVvL1NS8H5fW6W21X-Bg1vZthyVTPf2X6C2r1mW7Rj4Rx29k117W4DFwXv3V07MPW2Q_1k78nzbcyW5s2Sy82v-6HgW6Rh8cn5RYHnDW1SSZDx15M8c6W5hjvtd6hZ4pYW2Yr80w1WCNtsW3s9BP_65bf_MW1bBDZk6FBctlV16-6R1xw_tyW7zB0gH3X8HMlVLnn5F2zTstdW71Pp7H3qRfPbW1zpdNT336j6WW6xPXRy3636dd3d1h1). 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