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Mostrar valor de información sobre herramientas en Array usando la tabla Ag-Grid-Angular

Quiero devolver el valor único de la información sobre herramientas que está en la matriz. El valor válido debe mostrarse en la información sobre herramientas.

columnValue =["qqqw","wtye"]

 if (columnValue) { if (columnValue.new !== columnValue.old) { const newVal = columnValue.new ? columnValue.new.toString().toUpperCase() : ''; const oldVal = columnValue.old ? columnValue.old.toString().toUpperCase() : ''; columnValue = oldVal !== newVal ? oldVal + '\n' + newVal : newVal; console.log(columnValue); } else if(Array.isArray(columnValue)){ var columnValue1=columnValue; columnValue1.forEach(value=>{ columnValue =value }) } } return columnValue; } I want to show only single value when I mouse hover on 'qqqw'.Now it is displaying only 'wtye' Because of final columnValue of forEach is last index. Please help me!!!
about 4 years ago · Juan Pablo Isaza
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