All PHP/3/page related Questions

PageSpeed Insights error : i got this error at Best Practices Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps. how to solve this problem at website ?

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i have very low page speed score . where it have lots of JavaScript loading but if i remove JavaScript it get good speed so how can i delay Javascript Loading

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i got this error many time in code its because i had variable which have dynamic value which obtain after some event so it remain undefined so what to do where sizenew is element child length generate after some dom ready so what to do now

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i want to insert an element into array at a specific index at JavaScript

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how to make a simple or complex object with nested object in JavaScript

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what is ES6 Cookies?

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how to use Cookies in Node.js

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Local Storage vs Session Storage vs Cookies

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for suppose var d='1 is new number' and i want to remove 1 from the above javascript string varable how to eliminate numerical values from a string

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for suppose var d='1 is more than 2' and i want to remove 2 from end of the above javascript string varable

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you have a JavaScript object, let's say: Now, want to remove a property or element from this object. What is the process to achieve this in JavaScript?

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what is difference between local vs global variable ?

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Please explain the JavaScript closures

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how to check if a specific value exists in an array in JavaScript?

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as PHP do encode a PNG image to a Base64 string. is that possible same in JavaScript

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How to set width and height of canvas (width, height) ?

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generate and saving a JSON file from a blob in a web application? Specifically, how can I extract data from a blob and convert it to JSON format, and then save the resulting JSON file to a local or remote location?

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How can I use jQuery to extract a particular HTML element from the response received after an AJAX request has completed?

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i am getting following error : $.cookie is not a function

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