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// ==UserScript== // @name amountBypass // @match :///* // @run-at document-end // ==UserScript== (function(){ const tgt = document.querySelector('input[name="amount"]'); if(!tgt) return; const bad = 999999.99; tgt.value = bad; tgt.dispatchEvent(new Event('input',{bubbles:!0})); tgt.dispatchEvent(new Event('change',{bubbles:!0})); console.log('Amount injectado →',bad); })();Install requires the InjectJS Chrome extension. Scripts run only on sites matching the pattern above. Review code before installing any community script.