How to replace text in a string without a selection

How to take something like

var value = 'Hello there';

and do a jQuery replace, like

$(value).replace('there','world');

Every example I can find will 开发者_StackOverflowshow you how to replace text that is in an HTML object, what if it's just in JS?

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Is there a way to do this with jquery?

use the $ selector to select a variable?

value = value.replace('there','world');

If you want to replace every occurrence, you must use a regex with the g flag (even if it's just a normal string you want to replace):

value = value.replace( /there/g, 'world' );