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How to get first character of string
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Scroll to an element with jQuery
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How can I tell if a DOM element is visible in the current viewport
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How do you remove all the options of a select box and then add one option and select it with jQuery
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How to prevent buttons from submitting forms
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Regex to replace multiple spaces with a single space
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Change the selected value of a drop-down list with jQuery
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Syntax for an async arrow function
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Most efficient method to groupby on an array of objects
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