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How to Find DOM Element Using Attribute Value

Sometimes you may need to find DOM element using attribute value. Here is how to do it in JavaScript using querySelector function.

Sometimes you may need to generate hash from string in JavaScript. Here are the steps to do it.

Often you may need to list properties of JS object. Here is how to do so.

Often you may need to detect if device is iOS. Here is how to do so using JavaScript.

Often you may need to count character occurrence in string in JavaScript. Here are the steps to do so.

Sometimes you may need to add auto increment id to existing table in MySQL. Here are the steps to do it.

Often you may need to check file size before uploading it. Here is how to do JS file upload size validation.

Sometimes you may need to print contents of div in JavaScript. Here are the steps to do it.

Sometimes you may need to check if web page is loaded in iframe or web browser. Here is how to do it.

Sometimes internet may get disconnected when users browse your website. Here is how to detect internet connection is offline in JavaScript.