JavaScript

Hi Friends 👋, Welcome To Infinitbility! ❤️ To get string after colon in javascript, use split() method with pop() method it will return those string which after then your colon or which you used to split the string. Let’s see short example to use split() method with pop() method to get string after colon. string.split(":").pop(); Today, I’m going to show you How do I get string after colon in javascript, as above mentioned, I’m going to use the above-mentioned split() method with pop() method....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To get string after specific word in javascript, use split() method with pop() method it will return those string which after then your specific word or which you used to split the string. Let’s see short example to use split() method with pop() method to get string after specific word. string.split("WORD").pop(); Today, I’m going to show you How do I get string after specific word in javascript, as above mentioned, I’m going to use the above-mentioned split() method with pop() method....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To get string after specific character in javascript, use split() method with pop() method it will return those string which after then your specific character or which you used to split the string. Let’s see short example to use split() method with pop() method to get string after specific character. string.split("-").pop(); Today, I’m going to show you How do I get string after specific character in javascript, as above mentioned, I’m going to use the above-mentioned split() method with pop() method....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To get last word of string in javascript, use split(" ") method with strArr.length - 1 index value it will return last word from string. You have to only pass " " in split() method. Let’s see short example to use split(" ") with with text.length - 1 index to get last word from string. let strArr = string.split(" "); strArr[strArr.length - 1]; Today, I’m going to show you How do I get last word of string in javascript, as above mentioned, I’m going to use the above-mentioned split() method....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To get first word of string in javascript, use split(" ") method with 0 index value it will return first word from string. You have to only pass " " in split() method. Let’s see short example to use split(" ") with with 0 index to get first word from string. string.split(" ")[0]; Today, I’m going to show you How do I get first word of string in javascript, as above mentioned, I’m going to use the above-mentioned split() method....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To each character of string in javascript, use for...of loop, it will return each character one by one. You have to just use for...of loop on your string string. Let’s see short example to use for loop on string to get each char. for (let char of string) { console.log(char) } Today, I’m going to show you How do I get each character of string in javascript, as above mentioned, I’m going to use the for....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To get last two character of string in javascript, use substring() method to extracts last two character from string. You have to only pass starting and ending postion of string so for last two character pass text.length - 2 as parameter it will return last two character of string. Let’s see short example to use substring() to get last two character from string....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To get last character of string in javascript, use substring() method to extracts last character from string. You have to only pass starting and ending postion of string so for last character pass text.length - 1 as parameter it will return last character of string. Let’s see short example to use substring() to get last character from string. text.substring(text.length - 1); Today, I’m going to show you How do I get last character of string in javascript, as above mentioned, I’m going to use the above-mentioned substring() method....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To get first two character of string in javascript, use substring() method to extracts first two character from string. You have to only pass starting and ending postion of string so for first two character pass 0, 2 as parameter it will return first two character of string. Let’s see short example to use substring() to get first two character from string. text.substring(0, 2); Today, I’m going to show you How do I get first two character of string in javascript, as above mentioned, I’m going to use the above-mentioned substring() method....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To get first character of string in javascript, use substring() method to extracts first character from string. You have to only pass starting and ending postion of string so for first character pass 0, 1 as parameter it will return first character of string. Let’s see short example to use substring() to get first character from string. text.substring(0, 1); Today, I’m going to show you How do I get first character of string in javascript, as above mentioned, I’m going to use the above-mentioned substring() method....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To get length of json array in javascript, use .length property it will return number of element avaialable in json array. Let’s see how to use .length property in json array variable. let arr = ["Infinitbility", "aGuideHub", "SortoutCode"]; console.log(arr.length); // Output // 3 Today, I’m going to show you How do I get json array length in javascript, as above mentioned, I’m going to use the above-mentioned Array....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To get value from json array in javascript, we have two ways use index number to single specfic value from json array use for loop to get all values from json array Let’s see short example to use index number and for loop on json array. let arr = ["Infinitbility", "aGuideHub", "SortoutCode"]; // used `index` number console.log(arr[1]); // Output // aGuideHub // used `for` loop for(let value of arr) { console....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To handle apostrophe ( single quote, or double quote ) in javascript, use the ( \ ) Escape characters or ( ` ) Template literals it will handle both types quotes single and double. Let’s see how Escape characters and Template literals will solve the issue. let brokenString = 'I'm a broken string'; console.log(brokenString); // Output // unknown: Unexpected token (1:24) brokenString = 'I\'m a broken string'; console....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To empty an array in javascript, use the splice() method with array length it will delete all elements of the array without compromise with reference, and also it is one of the fastest ways to empty an array. The splice() method takes the index (from which the splicing should start ) and the number of items to be removed as parameters and splices the elements....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To pass parameters to a promise function in javascript, create a parameter function and use promise in a function like the below example. var getNameById = function (id) { return new Promise(function (resolve, reject) { // ... }); }; getNameById(3).then(function (res) { console.log(res); }); // output: "Stuff worked" Today, I’m going to show you How do I pass parameters to a promise function in javascript, as above mentioned, I’m going to use the above-mentioned syntax to create and use a promise function with a parameter....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To check the null value in a JSON object in javascript, Just use the if statement or ternary operator before using the JSON object value. it will handle all falsy values with null. JavaScript if statement or ternary opertor will handle (""), null, undefined, false and the numbers 0 and NaN. Let’s take a short example check the null value in JSON object in javascript....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To set value in JSON object in javascript, we have multiple ways Set the value at the time of creating JSON object Set value using the key in JSON object Set value using dynamic key in JSON object Let’s take a short example of all the above methods. // Set value at the time of creating JSON object let obj = { id: 1 } // Set value using key in json object obj....

To call script type module function in javascript, assign function in window object, then you can call a function from anywhere. let’s take an example of creating and assigning a function in a window object. <script type="module"> window.showAlert = function showAlert() { alert("Button Clicked"); }; </script> Today, I’m going to show you How do I call script type module function in javascript, as above mentioned here, I’m going to use the window object to make the function accessible....

To upload a base64 image to ipfs, convert the base64 image to a blob using the fetch() method and then you can able to upload the base64 image to IPFS. Take the sort of example of uploading a base64 image to IPFS. const response = await fetch(base64Image); const blob = await response.blob(); const file = new File([blob], "file.png", { type: "image/png" }); const imghash = await ipfs.add(file); Today, I’m going to show you How do I upload base64 images to ipfs, as above mentioned here, I’m going to use the fetch() method to make files uploadable and ipfs-http-client package to upload file in IPFS....

Hi Friends 👋, Welcome To Infinitbility! ❤️ To remove space between strings in javascript, just use the replace() method with the /\s/g regex then it will return a new string without spaces. The replace() method returns a new string with some or all matches of a pattern replaced by a replacement. The pattern can be a string or a RegExp, and the replacement can be a string or a function called for each match....